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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
Test procedures for germanium gamma-ray detectors
WITHDRAWN published on 6.11.1996
Selected format:Zinc-silver button cells
WITHDRAWN published on 1.1.1987
Selected format:Zinc-silver button cells
WITHDRAWN published on 22.8.1996
Selected format:Designation of alkaline secondary cell
WITHDRAWN published on 7.1.1987
Selected format:-
WITHDRAWN published on 1.1.1982
Selected format:Pig iron for steelmaking
WITHDRAWN published on 7.12.1998
Selected format:Alkaline secondary cell XY 20
WITHDRAWN published on 1.1.1987
Selected format:Standard reference material of orchard leaves
WITHDRAWN published on 1.1.1987
Selected format:Standard reference material of orchard leaves
WITHDRAWN published on 3.1.1987
Selected format:Method for the determination of soil water content
WITHDRAWN published on 1.1.1987
Selected format:Latest update: 2026-09-08 (Number of items: 2 300 134)
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