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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
Textile machinery terminology—Packages of yarns and intermediate products
WITHDRAWN published on 2.11.1987
Selected format:Textile machinery terminology—Classification and vocabulary for knitting machines
WITHDRAWN published on 25.12.1987
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WITHDRAWN published on 1.1.1985
Selected format:Test sieves of metal wire cloth
WITHDRAWN published on 1.12.1997
Selected format:Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth
WITHDRAWN published on 3.9.2012
Selected format:Test sieves of perforated metal plate
WITHDRAWN published on 1.12.1997
Selected format:Test sieves—Technical requirements and testing—Part 2:Test sieves of metal wire cloth
WITHDRAWN published on 31.12.2012
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WITHDRAWN published on 1.1.1985
Selected format:-
WITHDRAWN published on 1.1.1985
Selected format:Test sieves—Metal wire cloth, perforated metal plate and electroformed sheet—Nominal sizes of opening
WITHDRAWN published on 1.12.1997
Selected format:Latest update: 2026-04-24 (Number of items: 2 274 650)
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