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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
Food additive--n-Butanol
WITHDRAWN published on 1.1.1989
Selected format:Food additive--Calcium phosphate monobasic
WITHDRAWN published on 1.1.1989
Selected format:Food additive--Disodium dihydrogen pyrophosphate
WITHDRAWN published on 1.1.1989
Selected format:Food additive Liquid carbon dioxide (from lime-kiln and ammonia plant off gases)
WITHDRAWN published on 22.3.1989
Selected format:Food additive liquid carbon dioxide
WITHDRAWN published on 1.3.2006
Selected format:Metallic materials—Rolling contact fatigue test
WITHDRAWN published on 22.3.1989
Selected format:Metallic materials—Terms of mechanical test
WITHDRAWN published on 22.3.1989
Selected format:High purity argon
WITHDRAWN published on 1.1.1989
Selected format:High purity argon
WITHDRAWN published on 20.12.1995
Selected format:Determination of trace nitrogen in high purity argon--Gas chromatographic method with electron mobility detection
WITHDRAWN published on 1.1.1989
Selected format:Latest update: 2026-04-06 (Number of items: 2 271 069)
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