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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
Washer for cross washer
WITHDRAWN published on 1.1.1991
Selected format:Hygienic practice for dried milk
WITHDRAWN published on 10.4.2008
Selected format:Tolerance limits for T-2 toxin in formula feed
WITHDRAWN published on 9.4.2008
Selected format:Feed additive—Zinc methionine
WITHDRAWN published on 9.4.2008
Selected format:Feed additive - Copper chloride hydroxide
WITHDRAWN published on 9.4.2008
Selected format:Insulation coordination of low voltage power line and electronic system
WITHDRAWN published on 24.4.2008
Selected format:Technical specifications of composite grounding device
WITHDRAWN published on 24.4.2008
Selected format:Determination of the specific gravity of coal
WITHDRAWN published on 1.1.1981
Selected format:Determination of true relative density of coal
WITHDRAWN published on 14.6.1996
Selected format:Turning washer
WITHDRAWN published on 1.1.1991
Selected format:Latest update: 2026-01-14 (Number of items: 2 254 595)
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