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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
Homopolymer and copolymer resims of vinyl chloride--Determination of pH of aqueous extract
WITHDRAWN published on 14.6.1988
Selected format:Plastics—Compression moulding test specimens of thermoplastic materials
WITHDRAWN published on 14.6.1988
Selected format:Determination of residual styrene monomer in Acrylonitrile-Butadiene-Styrene(ABS) resin by gas chromatography
WITHDRAWN published on 14.6.1988
Selected format:Permeameter
WITHDRAWN published on 15.6.1988
Selected format:Strain-controlled unconfined compression apparatus
WITHDRAWN published on 15.6.1988
Selected format:Basic conditions and methods of enviromental test for hydrologic instruments
WITHDRAWN published on 12.11.2001
Selected format:General specification for hydrologic instruments--General
WITHDRAWN published on 15.6.1988
Selected format:General specification for hydrologic instruments--Referential operating condition
WITHDRAWN published on 15.6.1988
Selected format:General specification for hydrologic instruments--Basic requirements of structure
WITHDRAWN published on 15.6.1988
Selected format:General specification for hydrologic instruments--The influence of operating condition and test methods
WITHDRAWN published on 15.6.1988
Selected format:Latest update: 2024-09-06 (Number of items: 2 346 102)
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