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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
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WITHDRAWN published on 1.1.1981
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WITHDRAWN published on 14.1.2011
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Selected format:Instantaneous water heater
WITHDRAWN published on 14.1.2011
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Selected format:Tannins from beef wood
WITHDRAWN published on 1.1.1981
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WITHDRAWN published on 27.7.1988
Selected format:Larch tannins
WITHDRAWN published on 1.1.1981
Selected format:Seedling-growing paper
WITHDRAWN published on 14.1.2011
Selected format:Latest update: 2026-04-19 (Number of items: 2 274 482)
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