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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
Limited content of selenium in feeds
WITHDRAWN published on 14.1.2011
Selected format:Limited contents of copper in feeds
WITHDRAWN published on 14.1.2011
Selected format:Quality grading of Azadirachta indica seedling
WITHDRAWN published on 14.1.2011
Selected format:Classification of Azadirachta indica seed quality
WITHDRAWN published on 14.1.2011
Selected format:Plant engineering consulting service specification
WITHDRAWN published on 14.1.2011
Selected format:Plant engineering consulting service specification
WITHDRAWN published on 14.1.2011
Selected format:-
WITHDRAWN published on 1.1.1981
Selected format:Limited content of tin in feeds
WITHDRAWN published on 14.1.2011
Selected format:Diagnostic techniques for avian leukosis
WITHDRAWN published on 14.1.2011
Selected format:Telephone dial plates--Requirements
WITHDRAWN published on 1.1.1981
Selected format:Latest update: 2026-04-17 (Number of items: 2 274 270)
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