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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-Binary fibre mixtures—Quantitative chemical analysis
WITHDRAWN published on 9.10.1997
Selected format:Textiles—Quantitative chemical analysis—Part 12:Mixtures of acrylic,certain modacrylic,certain chlorofibres,certain elastanes and certain other fibres (method using dimethylformamide)
WITHDRAWN published on 15.6.2009
Selected format:Textiles—Quantitative chemical analysis—Part 16:Mixtures of polypropylene and certain other fibres(method using xylene)
WITHDRAWN published on 15.6.2009
Selected format:Textiles—Quantitative chemical analysis—Part 4:Mixtures of certain protein and certain other fibers(method using hypochlorite)
WITHDRAWN published on 15.6.2009
Selected format:Textiles—Quantitative chemical analysis—Part 9:Mixtures of acetate and triacetate fibres(method using benzyl alcohol)
WITHDRAWN published on 15.6.2009
Selected format:Road traffic information service—Specification for highway information kiosk
WITHDRAWN published on 31.12.2012
Selected format:Road traffic information service—Terminology
WITHDRAWN published on 31.12.2012
Selected format:Textiles—Ternary fibre mixtures—Quantitative chemical analysis
WITHDRAWN published on 9.10.1997
Selected format:Evaluating guide for resource conserving government agencies
WITHDRAWN published on 31.12.2012
Selected format:Technical specification of coalbed methane resource exploration
WITHDRAWN published on 31.12.2012
Selected format:Latest update: 2025-05-10 (Number of items: 2 198 913)
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