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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
Dimensional tolerances for moulded plastic parts
WITHDRAWN published on 14.8.2008
Selected format:The terms of tea sensory tests
WITHDRAWN published on 19.6.1993
Selected format:Terms of tea sensory tests
WITHDRAWN published on 7.8.2008
Selected format:Method for determination of oil content in oilseeds
WITHDRAWN published on 19.6.1993
Selected format:Method for determination of foreign matter in oilseeds
WITHDRAWN published on 19.6.1993
Selected format:Method for determination of moisture and volatile matter content in oilseeds
WITHDRAWN published on 19.6.1993
Selected format:Method for determination of crude protein in oilseed
WITHDRAWN published on 19.6.1993
Selected format:Inspection of grain and oils—Determination of crude protein in oilseeds
WITHDRAWN published on 4.11.2008
Selected format:Method for determination of free fatty acids content of oils in oilseeds
WITHDRAWN published on 19.6.1993
Selected format:Test method for flexural properties of glass fiber-reinforced plastics
WITHDRAWN published on 4.11.1978
Selected format:Latest update: 2026-07-26 (Number of items: 2 290 396)
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