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Std ID |
Description (Standard Title) |
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YD/T 692-1994
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Quality grading criteria of public telegraph diversity receivers
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YD/T 693-1993
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Technical requirement of fundamental power supply units for SPC exchange
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YD/T 694-1993
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Technical requirement of fundamental power supply units for SPC exchange
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YD/T 694-1999
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Main distribution frame
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YD/T 694-2004
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Main distribution frame
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YD/T 695-1993
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(Local telephone communication system overvoltage overcurrent protection technology requirements)
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YD/T 695-2004
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Principles and technical requirements of protection against overvoltages and overcurrents in local telecom system
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YD/T 695-2015
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(City telephone communication system over-voltage over-current protection principles and technical requirements)
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YD/T 696-1993
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Requirement for networking of cordless telephone sets
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YD/T 697-1993
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Adaptive differential pulse code modulation at 32kbit/s
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YD/T 698-1993
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Test method for 60-channel PCM/ADPCM transcoder equipment
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YD/T 699-1993
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Technical requirement for data multiplex equipment operating at 64kbit/s with (6+2) envelops
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YD/T 700-1993
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Test chart for facsimile transmission No. 1
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YD/T 701-1993
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Test method for semiconductor laser diode assembly
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YD/T 702-1993
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Test method for optical receiver units
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YD/T 703-1993
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Inspection and test methods for 3 document facsimile terminals
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YD/T 703-2013
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Technical requirement and testing method for group 3 document facsimile
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YD/T 704-1993
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Inspection and test methods for voice band modem
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YD/T 705-1993
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(Post logo colors and test methods)
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YD/T 706-1994
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(The sign post office)
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YD/T 707-1993
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Terms used for remote message processing and business
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YD/T 708-1993
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General technical requirement for E-newsletter-version remote communication systems
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YD/T 709-1993
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Technical conditions for PCM signaling monitors
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YD/T 710-1994
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Technical conditions for PCM signaling monitors
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YD/T 711.1-1994
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(According to the Mail barcode label. Registered mail section)
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YD/T 711.2-1994
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(According to the Mail barcode label. Post Express section)
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YD/T 711.3-1994
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(According to the Mail barcode label. Paper goods wrap section)
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YD/T 711.4-1994
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(According to the Mail barcode label. Remittance advice section)
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YD/T 711.5-1994
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(According to the Mail barcode label. Wrapped part)
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YD/T 711.6-1997
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Bar code label for record mail. International registered correspondence
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YD/T 712-1995
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Bar code label for record mail. International registered correspondence
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YD/T 713-1994
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Technical requirement and test method for wireless subscriber concentrator access to public telephone network
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YD/T 714-1994
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Subscriber analog call tester
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YD/T 715-1994
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General technical conditions for 15Hz - 30MHz noise tester
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YD/T 716-1994
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Test method for screening (verification) of optical fiber strength Longitudinal tension winding method
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YD/T 717-1994
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FC-type mono-mode optical cable movable connectors
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YD/T 718-1994
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(Dictaphones technical requirements and methods of measurement)
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YD/T 718-2006
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Technical Requirements and Measuring Methods of Telegraphone
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YD/T 719-1994
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Objective measuring method for loudness rating
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YD/T 719-2011
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Objective measurement method of loudness rating
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YD/T 720-1994
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(Telephone inspection procedures)
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YD/T 720-1998
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Test procedures for telephone sets
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YD/T 721-1994
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Series and Technical Specifications for Postal Service Special Car
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YD/T 722-1994
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polyolefin insulated, PVC sheathed, parallel-twin copper-clad steel wires for telephone subscribers communication
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YD/T 723.1-1994
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(Optical Cable metal plastic composite tape - Part 1: General requirements)
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YD/T 723.1-2007
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Laminated Metal Plastic Strip for Communication Cable and Optical Fibre Cable. Part 1: General
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YD/T 723.2-1994
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(Optical Cable metal plastic composite tape Part 2: aluminum composite tape)
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YD/T 723.2-2007
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Laminated Metal Plastic Strip for Communication Cable and Optical Fibre Cable Part 2: Laminated Aluminium Plastic Strip
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YD/T 723.3-1994
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(Optical Cable metal plastic composite tape - Part 3: Steel-plastic composite tape)
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YD/T 723.3-2007
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Laminated Metal Plastic Strip for Communication Cable and Optical Fibre Cable. Part 3: Laminated Steel Plastic Strip
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YD/T 723.4-2007
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Laminated Metal Plastic Strip for Communication Cable and Optical Fibre Cable. Part 4: Laminated Copper Plastic Strip
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YD/T 723.5-2007
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Laminated Metal Plastic Strip for Communication Cable and Optical Fibre Cable. Part 5: Laminated Metal Plastic foil
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YD/T 724-1994
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Frame structure and multiplexing method for synchronous transport module STM-1, STM-4
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YD/T 725-1994
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Frame structure and multiplexing method for synchronous transport module STM-1, STM-4
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YD/T 726-1994
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(Letter stamp canceling machine)
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YD/T 727-1994
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Electrical characteristics for unbalanced double-current interchange circuits
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YD/T 728-1994
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Technical requirement and test method for telephone lightning protection
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YD/T 729-1994
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Test method for networking of SPC subscriber exchange
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YD/T 730-1994
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Test method for technical indicators of optical transmitters and receivers
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YD/T 731-1994
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(Communication with the high-frequency switching rectifier)
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YD/T 731-2002
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High Frequency Switch-mode Rectifier for Telecommunication
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YD/T 731-2008
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High Frequency Switch-Mode Rectifier for Telecommunications
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YD/T 732-1994
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(Communication with the DC - DC converter test methods)
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YD/T 733-1994
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(Communication with the DC - DC power modules)
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YD/T 735-1994
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(Telephone EMC limits and test methods)
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YD/T 736-1995
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(Acceptance of bulk print machine)
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YD/T 737-1995
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(Letters packaging technology requirements)
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YD/T 738-1995
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(Transparent window envelopes (domestic))
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YD/T 739-1995
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(Residential group box newspaper boxes)
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YD/T 740-1995
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Adapter junction box for communication cables
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YD/T 741-1995
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(Communications equipment overcurrent protection with a positive temperature coefficient (PTC) thermistors technical conditions)
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YD/T 741-2002
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Specification of Positive Temperature Coefficient (PTC) thermistors for the over-current protection of communications installations
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YD/T 742-1995
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Technical requirement and test method for digital signaling conversion equipment at 2048kbit/s
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YD/T 743-1995
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Technical conditions of symmetrical cable regenerative trunk equipment operating at 2048kbit/s
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YD/T 744-1995
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Technical requirement and test method for mid-capacity digital microwave relay communication system at 34Mbit/s
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YD/T 744-2009
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Technical requirements and test methods for digital microwave telecommunication equipments (systems) of plesiochronois digital hierarchy (PDH)
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YD/T 745-1995
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Technical requirement and test method for large-capacity digital microwave relay communication system at 6GHz140Mbit/s
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YD/T 746-1995
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Technical requirement and measuring method for point-to-multipoint microwave communication systems
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YD/T 747-1995
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Technical requirement of digital color TV images and accompanying sound signals transmitted through third group (34. 368Mbit/s) digital microwave channel
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YD/T 748-1995
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Limit value for maintenance of PDH digital channel error performances
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YD/T 749-1995
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(Postal equipment commonly used graphic symbols)
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YD/T 750-1995
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(Postal mail user-specific technical requirements)
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YD/T 751-1995
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Test method for networking of digital office telephone exchange equipment in public telephone network
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YD/T 752-1995
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Test method for networking of analog office SPC telephone exchange equipment in public telephone network
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YD/T 753.1-1995
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Domestic satellite communication Technical requirement for networking of TDM/TDMA data packet VSAT system
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YD/T 753.2-1995
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Domestic satellite communication 32kbit/s ADPCM Technical requirement for networking of SCPC voice VSAT system
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YD/T 754-1995
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General rules for electrostatic protection of communication rooms
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YD/T 755-1995
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Safety principles for equipment electrically connected to telecommunication network
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YD/T 756-1995
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Examining procedures for standardization of new products for posts and communications industry
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YD/T 757-1995
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Technical conditions of microwave towers
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YD 245-1981
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(Square washer)
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YD/T 758-1995
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Technical conditions of line signal testers
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YD/T 759-1995
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Technical conditions of frame structure tester at 8 448, 34 368kbit/s
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YD/T 760-1995
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Polyolefin insulation materials for urban local telecommunication cables
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YD/T 761-1995
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Vocabulary Terms and definitions for maintenance
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YD/T 762-1995
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Technical requirements and testing method of SPC analogue telephone dispatching equipment
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YD/T 763-1995
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(Postal push overhead conveyors)
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YD/T 764-1995
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(Post Chute)
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YD/T 765-1995
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(Mail processing center color use guidelines)
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YD/T 766-1995
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(Domestic mail bag brand test methods)
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