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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
Solar heat reflecting insulation coatings for buildings
WITHDRAWN published on 26.9.2010
Selected format:Paints—Determination of the particle size distribution of paint fillers by the ANDREASEN pipette method
WITHDRAWN published on 26.9.2010
Selected format:Rubber - Guide to the use of curemeters
WITHDRAWN published on 26.9.2010
Selected format:Hard metal (carbide) inserts for mining and oil—field rock bits
WITHDRAWN published on 22.3.1989
Selected format:Nitrocellulose coatings
WITHDRAWN published on 26.9.2010
Selected format:Moisture-proof agents for nitrocellulose coatings
WITHDRAWN published on 26.9.2010
Selected format:Films for liquid crystal display(LCD)—Determination of haze with integrating sphere
WITHDRAWN published on 26.9.2010
Selected format:Hollow fiber flat-plat membrane module
WITHDRAWN published on 26.9.2010
Selected format:Tin anode sheets
WITHDRAWN published on 25.3.1981
Selected format:Road traffic signal controller
WITHDRAWN published on 10.11.2010
Selected format:Latest update: 2026-04-01 (Number of items: 2 270 267)
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