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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
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WITHDRAWN published on 1.1.1987
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WITHDRAWN published on 1.1.1987
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WITHDRAWN published on 1.1.1987
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WITHDRAWN published on 1.1.1987
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WITHDRAWN published on 1.1.1987
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WITHDRAWN published on 1.1.1987
Selected format:Textiles—Tests for color fastness—Color fastness to chlorination
WITHDRAWN published on 26.11.1998
Selected format:Assessment to migration of textile colours into polyvinyl chloride coatings
WITHDRAWN published on 1.1.1987
Selected format:Textiles--Testing method for colour fastness to metals in the dye-bath: Chromium salts
WITHDRAWN published on 1.1.1987
Selected format:Textiles--Testing method for colour fastness to metals in the dye-bath: Iron and copper
WITHDRAWN published on 1.1.1987
Selected format:Latest update: 2026-08-28 (Number of items: 2 298 625)
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