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
Pure methane and high pure methane
WITHDRAWN published on 13.10.2016
Selected format:Determination of cerium in cerium-tungsten alloys—oxidation-reduction volumetry
WITHDRAWN published on 22.12.1982
Selected format:Determination of thorium dioxide in thorium-tungsten alloys—Weight method
WITHDRAWN published on 22.12.1982
Selected format:Detection and identification of Paratrichodorus porosus(Allen,1957)Siddiqi,1974
WITHDRAWN published on 13.10.2016
Selected format:Determination of rhenium in rhenium-tungsten alloys—Spectrophotometric method using dimethylglyoxime
WITHDRAWN published on 22.12.1982
Selected format:Assessment standard of well-facilitated farmland construction
WITHDRAWN published on 13.10.2016
Selected format:Information security technology—Security requirement of public DNS service system
WITHDRAWN published on 13.10.2016
Selected format:Information technology service—Service capability maturity model of data center
WITHDRAWN published on 13.10.2016
Selected format:Levels and test method for storage and backup system
WITHDRAWN published on 13.10.2016
Selected format:General technical specifications for diesel locomotives
WITHDRAWN published on 24.12.1982
Selected format:Latest update: 2026-07-15 (Number of items: 2 287 995)
© Copyright 2026 NORMSERVIS s.r.o.