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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
Code for design of standard track gauge railway in industrial enterprises
WITHDRAWN published on 1.1.1987
Selected format:Cup head square neck bolts
WITHDRAWN published on 24.6.1988
Selected format:-
WITHDRAWN published on 1.1.1986
Selected format:Specifications for the design of TV systems withcommon antenna for industral enterprises
WITHDRAWN published on 24.3.1988
Selected format:Galvanized iron wire strands
WITHDRAWN published on 1.1.1988
Selected format:Plastics—Test methods of exposure to damp heat, steady state
WITHDRAWN published on 25.12.1989
Selected format:Determination of the effects of exposure to damp heat, water spray and salt mist for plastics
WITHDRAWN published on 9.10.2003
Selected format:Moulding materials for windows of unplasticized polyvinyl chloride—Part 1:Designation
WITHDRAWN published on 25.12.1989
Selected format:Moulding materials for windows of unplasticized polyvinyl chloride—Part 2:Quality specification
WITHDRAWN published on 25.12.1989
Selected format:Moulding materials for windows of unplasticized polyvinyl chloride—Part 3:Determination of properties
WITHDRAWN published on 25.12.1989
Selected format:Latest update: 2025-11-10 (Number of items: 2 243 715)
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