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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
Silk fabrics for export
WITHDRAWN published on 10.12.1988
Selected format:Synthetic filament yarn fabrics for export
WITHDRAWN published on 10.12.1988
Selected format:Grey kimono silk for export
WITHDRAWN published on 10.12.1988
Selected format:Methods for random sampling by utilizing dices of random number
WITHDRAWN published on 10.12.1988
Selected format:Terminology work—Principles and methods
WITHDRAWN published on 30.12.1999
Selected format:Definition of common terms used in classification and coding
WITHDRAWN published on 1.1.1988
Selected format:Rules for the code representation of administrative divisions under counties
WITHDRAWN published on 1.1.1988
Selected format:Fresh cocoon of tussah
WITHDRAWN published on 10.12.1988
Selected format:Tussah fresh cocoon
WITHDRAWN published on 7.8.2008
Selected format:Ammonium paratungstate
WITHDRAWN published on 10.12.1988
Selected format:Latest update: 2026-04-10 (Number of items: 2 271 455)
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