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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
Testing methods for long-term and long-lasting performance of ordinary concrete
WITHDRAWN published on 25.11.1985
Selected format:Countersunk raised head screws (common head style) with cross recess
WITHDRAWN published on 26.9.2000
Selected format:Bisultap aqueous solution
WITHDRAWN published on 13.7.2001
Selected format:Determination of germanium in coals
WITHDRAWN published on 17.9.1987
Selected format:Determination of gallium in coals
WITHDRAWN published on 17.9.1987
Selected format:Square set screws with chamfered end
WITHDRAWN published on 24.6.1988
Selected format:Method of inspection for export citrus fruit
WITHDRAWN published on 31.8.1987
Selected format:Bristles for export
WITHDRAWN published on 23.9.1987
Selected format:Black dyed bristles for export
WITHDRAWN published on 23.9.1987
Selected format:Bleached white bristles for export
WITHDRAWN published on 23.9.1987
Selected format:Latest update: 2025-07-03 (Number of items: 2 207 355)
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