National Standard: GB/T, GBT
              
GBT << ...>> GBT
Std ID Description (Standard Title)
GB/T 13269-1991 Atmospheric Air. Test Dust Standard Sample. Fly Ash
GB/T 13270-1991 Aemospheric air. Test dust standand sample. Simulated atmospheric dust
GB/T 13272-1991 Analytical method for 131I in water
GB/T 13273-1991 Analytical method for 131I in plant and animal thyroid gland
GB/T 13274-1991 Technical specification for general purposes axiae fans
GB/T 13275-1991 Technical specification for general purposes centrifugal fans
GB/T 13276-1991 Intake filter silencers for displacement air compressors
GB/T 13277.1-2008 Compressed air -- Part 1: Contaminants and purity classes
GB/T 13277.2-2015 Compressed air -- Part 2: Test methods for oil aerosol content
GB/T 13277.3-2015 Compressed air -- Part 3: Test methods for measurement of humidity
GB/T 13277.4-2015 Compressed air -- Part 4: Test methods for solid particle content
GB/T 13277-1991 Compressed air for general use. Quality classes
GB/T 13278-1991 Dry screw air compressor for general use--Specifications
GB/T 13279-1991 Stationary reciprocating piston air compressor for general use--Specifications
GB/T 13279-2002 Stationary reciprocating piston air compressor for general use
GB/T 13279-2015 Stationary reciprocating air compressors for general use
GB/T 13280-1991 Screw compressor for the process industry--Specifications
GB/T 13281-1991 Lead-acid batteries used for passenger trains
GB/T 13281-2008 Lead-acid battery used for passenger trains
GB/T 13282-1991 Flow measurement calibration facility--Pipe prover
GB/T 13283-1991 Accuracy class of measuring instruments and display instruments for industrial process measurement and control
GB/T 13283-2008 Accuracy class of measuring instruments and display instruments for industrial process measurement and control
GB/T 13284.1-2008 The safety systems for nuclear power plants -- Part 1: Design criteria
GB/T 13285-1991 Physical prorection for systems and components important to safety in nuelear power plants
GB/T 13285-1999 Physical protection for safety-related systems and components in nuclear power plants
GB/T 13286-1991 Criteria for independence of class 1E equipment and circuits in nuclear power plants
GB/T 13286-2001 Criteria for independence of class 1E equipment and circuits in nuclear power plants
GB/T 13286-2008 Criteria for independence of class 1E equipment and circuits in nuclear power plants
GB/T 13287-1991 Liquefied petroleum gases. Determination of volatility
GB/T 13288.1-2008 Preparation of steel substrates before application of paints and related products -- Surface roughness characteristics of blast-cleaned substrates -- Part 1: Specifications and definitions for ISO surface profile comparators for the assessment
GB/T 13288.2-2011 Preparation of steel substrates before application of paints and related products -- Surface roughness characteristics of blast-cleaned substrates -- Part 2: Method for the grading of surface profile of abrasive blast-cleaned steel -- Comparator procedure
GB/T 13288.3-2009 Preparation of steel substrates before application of paints and related products -- Surface roughness characteristics of blast-cleaned steel substrates -- Part 3: Method for the calibration of ISO surface profile comparators and for the determination of
GB/T 13288.4-2013 Preparation of steel substrates before application of paints and related products -- Surface roughness characteristics of blast-cleaned substrates -- Part 4: Method for the calibration of ISO surface profile comparator and for the determination of surface
GB/T 13288.5-2009 Preparation of steel substrates before application of paints and related products -- Surface roughness characteristics of blast-cleaned steel substrates -- Part 5: Replica tape method for the determination of the surface profile
GB/T 13288-1991 The assessment of profile grades of steel surface before application of paint and related products. Comparator
GB/T 13289-1991 Ethylene for industrial use. Sampling in the liquid and the gaseous phase
GB/T 13289-2014 Ethylene for industrial use -- Sampling in the liquid and the gaseous phase
GB/T 13290-1991 Propylene and butadiene for industrial use. Sampling in the liquid phase
GB/T 13290-2014 Propylene and butadiene for industrial use -- Sampling in the liquid phase
GB/T 13291-2008 Butadiene for industrial use-specification
GB/T 13292-1991 Classification of coated hardmetal and main technicalspecifications for coating
GB/T 13293.10-1991 Higher purity copper cathode. Determination of zinc content. Flame atomic absorption spectrometric method
GB/T 13293.11-1991 Higher purity copper cathode. Determination of silicon content. Molybdenum blue spectrophotometric method
GB/T 13293.1-1991 Higher purity copper cathode. Determination of selenium and tellurum contents. Catalytic oscillopolarographic method
GB/T 13293.12-1991 Higher purity copper cathode. Determination of silver content. Separation and preconcentration with sulfhydryl cotton-flame atomic absorption spectrometric method
GB/T 13293.13-1991 Higher purity copper cathods. Determiantion of sulphur content. Combustion-potassium iodate titrimetric method
GB/T 13293.2-1991 Higher purity copper cathode. Determination of bismuth content. Hydride generation-atomic fluorescence spectrometric method
GB/T 13293.3-1991 Higher purity copper cathode. Determination of bismuth contene. Hydride generation-atomic fluorescence spectrometric method
GB/T 13293.4-1991 Higher purity copper cathode. Determination of antimony content 2-[ (-5-bromo-2-pyridyl)azo]-5-diethylaminophenol spectrophotometric method
GB/T 13293.5-1991 Higher purity copper cathode. Determination of arsenic content. Heteropoly arsenomolybdic acid-crystal violet spectrophotometric method
GB/T 13293.6-1991 Higher purity copper cathode. Determination of phosphorus content. Heteropoly phosphato-vanadato-molybdicacid-crystal violet spectrophotometric method
GB/T 13293.7-1991 Higher purity copper cathode. Determination of iron, cobalt and lead contents. Zeeman effect electrothermal atomic absorption spectrometric method
GB/T 13293.8-1991 Higher purity copper cathode. Determination of nickel contene. Zeeman effect electrothermal atomic absorption spectrometric method
GB/T 13293.9-1991 Higher purity copper cathode. Determiantion of tin content. Zeeman effect electrothermal atomic absorption spectrometric method
GB/T 13294-1991 Higher purity copper cathode. Determiantion of tin content. Zeeman effect electrothermal atomic absorption spectrometric method
GB/T 13295-1991 (Centrifugal casting ductile iron pipe)
GB/T 13295-2003 Ductile iron pipes, fittings and accessories for water or gas applications
GB/T 13295-2008 Ductile iron pipes, fittings and accessories for water or gas applications
GB/T 13295-2013 Ductile iron pipes, fittings and accessories for water or gas applications
GB/T 13297-1991 General rules for packaging, marking and certification of precision alloys
GB/T 13298-1991 Metal. Inspection method of microstrcture
GB/T 10063-1988 Simplified methods for the calculation of load capacity of involute cylindrical gears for general machines
GB/T 13299-1991 Steel. Determination of microstructure
GB/T 13300-1991 High resistance alloys for electrical heating. Testing method for accelerated life
GB/T 13301-1991 Metals. Testing method for sensitivity of electrical resistance strain
GB/T 13302-1991 Steel. Determination of area content of graphite-micrographic method using diagrams
GB/T 13303-1991 Steels. Determination method of oxidation resistance
GB/T 10064-1988 Methods of test for the determination of the insulation resistance of solid insulating materials
GB/T 10064-2006 Methods of test for the determination of the insulation resistance of solid insulating materials
GB/T 13304-1991 Steels--Classification
GB/T 13305-1991 Austenitic stainless steels. Determination of area content of the alpha-phase. Micrographic method using standard diagrams
GB/T 13305-2008 Micrographic method for determining area content of the α-phases in stainless steel
GB/T 13306-1991 Plates
GB/T 10065-1988 Gassing of insulating liquids under electrical stress and ionization
GB/T 13307-1991 Inductrial pre-crimped wire screens (square openingseries)
GB/T 13307-2012 Industrial pre-crimped wire square opening screens
GB/T 13309-1991 Specification for mechanical vibration generator system
GB/T 13309-2007 Specification for mechanical vibration generator system
GB/T 13310-1991 Specification for electrodynamic vibration generator system
GB/T 10065-2007 Gassing of insulating liquids under electrical stress and ionization
GB/T 13311-1991 Boiler pressure parts. Mechanical test for welded joints
GB/T 13312-1991 (Steel parts before painting degree degreasing test method)
GB/T 13313-1991 Method of Shore hardness testing for mill rolls
GB/T 13313-2008 Methods of Shore and Leeb hardness testing for rolls
GB/T 13314-1991 General specifications of forged steel working rolls for cold rolling
GB/T 13314-2008 General specifications of forged steel work rolls for cold rolling
GB/T 13315-1991 Method of ultrasonic inspection for forged steel cold rolling working rolls
GB/T 13316-1991 Method of ultrasonic inspection for cast steel rolls
GB/T 13317-1991 Terminology for railway passenger transport
GB/T 13317-2010 Vocabulary for railway passenger transport
GB/T 13319-1991 Geometrical tolerane--Positional tolerancing
GB/T 13319-2003 Geometrical product Specifications (GPS) -- Geometrical tolerancing -- Positional tolerancing
GB/T 13320-1991 Metallographic grading atlas and assessing method forsteel die forgings
GB/T 13320-2007 Metallographic grading atlas and assessing method for steel die forgings
GB/T 13321-1991 The method of hardness testing on iron and steel with file
GB/T 1332-1991 Trucks. Engineering approval evaluation program
GB/T 13322-1991 Metal coating. Cd-Ti plating of low hydrogan embrittlement
GB/T 13323-1991 Optical drawings
GB/T 13323-2009 Optical drawings
GB/T 13324-1991 Terminology of hrat treatment installation