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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
Textiles—Determination of formaldehyde—Part 1:Free and hydrolized formaldehyde(Water extraction method)
WITHDRAWN published on 26.11.1998
Selected format:Textiles—Determination of formaldehyde—Part 2:Released formaldehyde(Vapour absorption method)
WITHDRAWN published on 26.11.1998
Selected format:Fuel cell electric vehicles—Onboard hydrogen system—Test methods
WITHDRAWN published on 31.12.2012
Selected format:Ships and marine technology—Marine environmental protection—Adaptor for joining dissimilar boom connectors
WITHDRAWN published on 31.12.2012
Selected format:The norm of energy consumption per unit product of sponge titanium
WITHDRAWN published on 31.12.2012
Selected format:The norm of energy consumption per unit products of copper and copper-alloy wire
WITHDRAWN published on 31.12.2012
Selected format:The norm of energy consumption per unit product of monoammonium phosphate
WITHDRAWN published on 31.12.2012
Selected format:The norm of energy consumption per unit product of diammonium phosphate
WITHDRAWN published on 31.12.2012
Selected format:Plastics—Homopolymer and copolymer resins of vinyl chloride-Determination of volatile matter(including water)
WITHDRAWN published on 16.9.1999
Selected format:Minimum allowable values of energy efficiency and energy efficiency grades for single-capped electrodeless fluorescent lamps
WITHDRAWN published on 31.12.2012
Selected format:Latest update: 2025-05-11 (Number of items: 2 199 037)
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