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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
Epoxide resins and glycidyl esters—Determination of inorganic chlorine
WITHDRAWN published on 30.7.1984
Selected format:Determination of residual styrene monomer in polystyrene by gas chromatography
WITHDRAWN published on 30.7.1984
Selected format:Determination method of residual vinyl chloride monomer contents in polyvinyl chloride
WITHDRAWN published on 30.7.1984
Selected format:Poly(vinyl chloride)—Determination of residual vinyl chloride monomer content—Gas chromatographic method
WITHDRAWN published on 4.6.2008
Selected format:Phenolic moulding materials—Determination of acetone-soluble matter (apparent resin content of material in the unmoulded state)
WITHDRAWN published on 30.7.1984
Selected format:Phenolic mouldings—Determination of acetone-soluble matter
WITHDRAWN published on 30.7.1984
Selected format:Plastics--Phenolic mouldings--Determiantion of acetone-soluble matter
WITHDRAWN published on 15.6.2009
Selected format:Epoxide resins and related materials—Determination of easily saponifiable chlorine
WITHDRAWN published on 30.7.1984
Selected format:Method for measuring twisted nematic liquid crystal display devices
WITHDRAWN published on 1.1.1984
Selected format:Measuring methods for liquid crystal display devices
WITHDRAWN published on 12.11.1996
Selected format:Latest update: 2025-12-21 (Number of items: 2 252 887)
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