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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
The functional sizes of chairs and desks for school
WITHDRAWN published on 1.1.1983
Selected format:Functional sizes of chairs and desks for educational institutions
WITHDRAWN published on 29.5.2002
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WITHDRAWN published on 1.1.1983
Selected format:Methods of color specification
WITHDRAWN published on 4.5.1997
Selected format:Standard illuminants and illuminating--Viewing conditions
WITHDRAWN published on 1.1.1983
Selected format:Standard illuminants and illuminating—viewing conditions
WITHDRAWN published on 8.4.1994
Selected format:-
WITHDRAWN published on 1.1.1983
Selected format:Methods of measuring the color of materials
WITHDRAWN published on 4.5.1997
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WITHDRAWN published on 1.1.1978
Selected format:Cotton grey yarns
WITHDRAWN published on 25.12.1993
Selected format:Latest update: 2025-11-12 (Number of items: 2 243 625)
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