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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
Methods for sampling of feed
WITHDRAWN published on 6.11.1993
Selected format:Feeding stuffs—Sampling
WITHDRAWN published on 23.3.2005
Selected format:-
WITHDRAWN published on 1.1.1989
Selected format:Erection works of electrical installations Code for construction and acceptance of high voltage appliance
WITHDRAWN published on 1.1.1990
Selected format:Writing paper and certain classes printed matter—Untrimmed sizes
WITHDRAWN published on 26.6.1997
Selected format:Lead and lead-antimony alloy plate
WITHDRAWN published on 29.2.1988
Selected format:Lead and lead-antimony alloy plate
WITHDRAWN published on 4.7.2005
Selected format:Method for the determination of Vitamin B1 in feeds
WITHDRAWN published on 6.11.1993
Selected format:Determination of Vitamin B1 in feeds
WITHDRAWN published on 31.10.2002
Selected format:Method for the determination of Vitamin B2 in feeds
WITHDRAWN published on 6.11.1993
Selected format:Latest update: 2026-05-15 (Number of items: 2 278 685)
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