We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Determination of trace oxygen in gases--Electrochemical method
WITHDRAWN published on 18.4.1986
Selected format:Determination of trace oxygen in gases—Eletrochemical method
WITHDRAWN published on 24.4.2003
Selected format:Determination of bulk density for molecular sieve
WITHDRAWN published on 18.4.1986
Selected format:Determination of static adsorbed water for molecular sieve
WITHDRAWN published on 18.4.1986
Selected format:Determination of particle size for granular molecular sieve
WITHDRAWN published on 18.4.1986
Selected format:-
WITHDRAWN published on 1.1.1986
Selected format:Pliers and nippers—Nomenclature
WITHDRAWN published on 28.5.1999
Selected format:-
WITHDRAWN published on 1.1.1981
Selected format:-
WITHDRAWN published on 1.1.1986
Selected format:Pliers and nippers—General technical requirements
WITHDRAWN published on 28.5.1999
Selected format:Latest update: 2026-04-19 (Number of items: 2 274 482)
© Copyright 2026 NORMSERVIS s.r.o.