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www.ChineseStandard.net Database: 189759 (19 Oct 2025)
National Standard: GB/T, GBT
         
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Std ID Description (Standard Title) Detail
GB/T 12224-2015 General requirements for industrial steel valves GB/T 12224-2015
GB/T 12225-1989 General purpose industrial valves. Specification of copper alloy castings GB/T 12225-1989
GB/T 12225-2005 General purpose industrial valves -- Specification of copper alloy castings GB/T 12225-2005
GB/T 12226-1989 General purpose industrial valves. Specification of flake graphite iron castings GB/T 12226-1989
GB/T 12226-2005 General purpose industrial valve -- Specification of flake graphite iron castings GB/T 12226-2005
GB/T 12227-1989 General purpose industrial valves. Specification of spheroidal graphite iron castings GB/T 12227-1989
GB/T 12227-2005 General purpose industrial valve -- Specification of spheroidal graphite iron castings GB/T 12227-2005
GB/T 12228-1989 General purpose industrial valves. Specification of carbon steel forgings GB/T 12228-1989
GB/T 12228-2006 General purpose industrial valves - Specification of carbon steel forgings GB/T 12228-2006
GB/T 12229-1989 General purpose industrial valves--Specification of carbon steel castings GB/T 12229-1989
GB/T 12229-2005 General purpose industrial valves -- Specification of spheroidal graphite iron castings GB/T 12229-2005
GB/T 12230-1989 General purpose industrial valves. Specification of steel castings GB/T 12230-1989
GB/T 12230-2005 General purpose industrial valves -- Specification of stainless steel castings GB/T 12230-2005
GB/T 12232-1989 General purpose industrial valves--Flanged iron gate valves GB/T 12232-1989
GB/T 12232-2005 General purpose industrial valve -- Flanged iron gate valves GB/T 12232-2005
GB/T 12233-1989 General purpose industrial valves--Casting iron globe valves and lift check valves GB/T 12233-1989
GB/T 12233-2006 General purpose industrial valves -- Casting iron globe valves and lift check valves GB/T 12233-2006
GB/T 12234-1989 General purpose industrial valves. Flanged and buttweld steel gate valves GB/T 12234-1989
GB/T 12234-2007 Bolted bonnet steel gate valves for petroleum and natural gas industries [including MODIFICATION 1] GB/T 12234-2007
GB/T 12235-1989 General purpose industrial valves--Flanged steel globe valves and lift check valves GB/T 12235-1989
GB/T 12235-2007 Steel globe valves and lift check valve for petroleum, petrochemical and allied industries [including MODIFICATION 1] GB/T 12235-2007
GB/T 12236-1989 General purpose industrial valves--Steel swing check valves GB/T 12236-1989
GB/T 12236-2008 Steel swing check valve for petroleum, petrochemical and allied industries GB/T 12236-2008
GB/T 12237-1989 General purpose industrial valves--Flanged and butt-weld end steel ball valves GB/T 12237-1989
GB/T 12237-2007 Steel ball valves for petroleum, petrochemical and allied industries GB/T 12237-2007
GB/T 12238-1989 General purpose industrial valves--Flanged and wafer butterfly valves GB/T 12238-1989
GB/T 12238-2008 Flanged and wafer resilient seal butterfly valves GB/T 12238-2008
GB/T 12239-1989 General purpose industrial valves--Diaphragm valves GB/T 12239-1989
GB/T 12239-2008 Industrial valves -- Diaphragm valves made of metallic materials GB/T 12239-2008
GB/T 12240-1989 General purpose industrial valves--Iron plug valves GB/T 12240-1989
GB/T 12240-2008 Iron plug valves GB/T 12240-2008
GB/T 12241-1989 Safety Valves-General Requirements GB/T 12241-1989
GB/T 12241-2005 Safety valves -- General requirements GB/T 12241-2005
GB/T 1224-1976 General terms and signs for geometrical optics GB/T 1224-1976
GB/T 1224-1999 Vocabulary and character for geometrical optics GB/T 1224-1999
GB/T 1224-2016 Vocabulary and character for geometrical optics GB/T 1224-2016
GB/T 12242-1989 Performance Test Code - Safety Devices GB/T 12242-1989
GB/T 12242-2005 Performance test code -- Pressure relief devices GB/T 12242-2005
GB/T 12243-1989 Spring loaded safety valves GB/T 12243-1989
GB/T 10047.1-2005 Camera -- Part 1: Civil miniature camera GB/T 10047.1-2005
GB/T 12244-1989 General specification for pressure reducing valves GB/T 12244-1989
GB/T 12244-2006 General requirements for pressure reducing valves GB/T 12244-2006
GB/T 12245-1989 Methods of performance test for pressure reducing valves GB/T 12245-1989
GB/T 12245-2006 Methods of performance test for pressure reducing valves GB/T 12245-2006
GB/T 12246-1989 Pilot-operated reducing valves GB/T 12246-1989
GB/T 12246-2006 Pilot operated pressure reducing valves GB/T 12246-2006
GB/T 12247-1989 Automatic steam traps. Classification GB/T 12247-1989
GB/T 12247-2015 Automatic steam traps -- Classification GB/T 12247-2015
GB/T 12248-1989 Automatic steam traps-Definition of technical terms GB/T 12248-1989
GB/T 12249-1989 Automatic steam traps-Definition of technical terms GB/T 12249-1989
GB/T 12250-1989 Automatic steam traps. Face-to-face dimensions GB/T 12250-1989
GB/T 12250-2005 Automatic steam traps -- Term, Marking, Face-to-face dimensions GB/T 12250-2005
GB/T 12251-1989 Automatic steam traps. Test methods GB/T 12251-1989
GB/T 12251-2005 Automatic steam traps -- Test methods GB/T 12251-2005
GB/T 12252-1990 General purpose industrial valves--Delivery specification GB/T 12252-1990
GB/T 12256-1990 Test method for stiffness of hypodermic needle tubing GB/T 12256-1990
GB/T 1226-1986 General pressure gauges GB/T 1226-1986
GB/T 1226-2001 General pressure gauge GB/T 1226-2001
GB/T 1226-2010 General pressure gauge GB/T 1226-2010
GB/T 12267-1990 Marine navigational equipment--General requirements--Methods of testing and required test results GB/T 12267-1990
GB/T 12269-1990 Generic specification for radio-frequency cables GB/T 12269-1990
GB/T 12270-1990 Electrical tests and measuring procedures for radio-frequency coaxial connectors screening effectiveness GB/T 12270-1990
GB/T 12271-1990 Measuring methods of RF insertion loss for radio-frequency coaxial connectors GB/T 12271-1990
GB/T 1227-1986 Accurate pressure gauges GB/T 1227-1986
GB/T 1227-2002 Accurate pressure gauge GB/T 1227-2002
GB/T 1227-2010 Accurate pressure gauge GB/T 1227-2010
GB/T 12272-1990 Measuring method of radio-frequency high potential withstanding voltage for radio-frequency coaxial connectors GB/T 12272-1990
GB/T 12273.501-2012 Quartz crystal units -- A specification in the quality assessment system for electronic components -- Part 5.1: Blank detail specification -- Qualification approval GB/T 12273.501-2012
GB/T 12273-1996 Quartz crystal units. A specification in the quality assessment system for electronic components. Part 1: Generic specification GB/T 12273-1996
GB/T 12274.1-2012 Quartz crystal controlled oscillators of assessed quality -- Part 1: Generic specification GB/T 12274.1-2012
GB/T 12274-1990 Quartz crystal controlled oscillators--Generic specification for GB/T 12274-1990
GB/T 12275-1990 The rule of type designation for quarz crystal oscillators GB/T 12275-1990
GB/T 12276-1990 Fixed resistors for use in electronic equipment. Part 7: Sectional specification. Fixed resistor networks in which not all resistors are individually measurable GB/T 12276-1990
GB/T 12277-1990 Fixed resistors for use in electronic equipment. Part 7: Blank detail specification. Fixed resistor networks in which not all resistors are individually measurable. Assessment level E GB/T 12277-1990
GB/T 12278-1990 Spherical plain radial bearings, joint type-Redial internal clearance GB/T 12278-1990
GB/T 12280-1990 Test methods for noise generator GB/T 12280-1990
GB/T 12281-1990 Requirements for the interconnections and matching of color television broadcast receivers and other equipment GB/T 12281-1990
GB/T 1228-1991 High strength bolts with large hexagon head for steel structures GB/T 1228-1991
GB/T 10047-1988 Camera GB/T 10047-1988
GB/T 12283-1990 Fruits, vegetables and derived products--Decomposition method of organic matter GB/T 12283-1990
GB/T 12284-1990 Fruit and vegetable products--Determination of copper content--Photometric method GB/T 12284-1990
GB/T 12285-1990 Fruits, vegetables and derived products--Determination of zinc content GB/T 12285-1990
GB/T 12286-1990 Fruits, vegetables and derived products--Determination of iron content--1. 10 Phenanthroline photometric method GB/T 12286-1990
GB/T 12287-1990 Fruit and vegetable products--Determination of tin GB/T 12287-1990
GB/T 12288-1990 Fruit and vegetable products--Determination of ethanol GB/T 12288-1990
GB/T 12289-1990 Fruits, vegetables and derived products--Determination of benzoic acid content GB/T 12289-1990
GB/T 12290-1990 Fruits, vegetables and derived products--Determination of sorbic acid content GB/T 12290-1990
GB/T 12291-1990 Juice of fruits and vegetables--Determination of carotenoid total GB/T 12291-1990
GB/T 1229-1991 High strength large hexagon nuts for steel structures GB/T 1229-1991
GB/T 11026.6-2010 Electrical insulating materials -- Thermal endurance properties -- Part 6: Ageing ovens -- Multi-chamber ovens GB/T 11026.6-2010
GB/T 12292-1990 Juice of fruits and vegetables--Determination of free amino acid GB/T 12292-1990
GB/T 12293-1990 Fruit and vegetable products--Determination of titratable acidity GB/T 12293-1990
GB/T 12294-1990 Fruit and vegetable products--Determination of mineral impurities GB/T 12294-1990
GB/T 12295-1990 Fruit and vegetable products--Determination of soluble solids--Refractometric method GB/T 12295-1990
GB/T 12296-1990 Fruit and vegetable products--Determination of water-insoluble solids GB/T 12296-1990
GB/T 12300-1990 Test methods of safe operating area for power transistors GB/T 12300-1990
GB/T 12301-1990 Detection methods for harmful gas evolved from non-dangerous cargo in holds GB/T 12301-1990
GB/T 12301-1999 Detection methods for harmful gas evolved from non-dangerous cargo in holds GB/T 12301-1999
GB/T 1230-1991 High strength plain washers for steel structures GB/T 1230-1991
GB/T 11026.7-2014 Electrical insulating materials -- Thermal endurance properties -- Part 7: Determination of relative thermal endurance index (RTE) of insulating material GB/T 11026.7-2014