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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
Hygienic standard for mica dust in the air of workplace
WITHDRAWN published on 27.2.1989
Selected format:Hygienic standard for active carbon dust in the air of workplace
WITHDRAWN published on 27.2.1989
Selected format:Telephone cable paper
WITHDRAWN published on 1.1.1989
Selected format:Coated offset paper
WITHDRAWN published on 1.1.1989
Selected format:Art paper
WITHDRAWN published on 2.5.1995
Selected format:Coated paper and board—Coated art paper
WITHDRAWN published on 23.3.2005
Selected format:Coated paper and board—Light weight coated paper
WITHDRAWN published on 23.3.2005
Selected format:Coated paper and board—Coated ivory board
WITHDRAWN published on 15.3.2004
Selected format:Coated paper and board—Coated folding board
WITHDRAWN published on 15.3.2004
Selected format:Coated paper and board—Coated linerboard
WITHDRAWN published on 19.8.2008
Selected format:Latest update: 2026-04-10 (Number of items: 2 271 455)
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