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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
Phenolic cotton fabric laminate
WITHDRAWN published on 1.1.1985
Selected format:Phenolic glass fabric laminate
WITHDRAWN published on 1.1.1985
Selected format:Epoxy glass fabric laminate
WITHDRAWN published on 1.1.1985
Selected format:-
WITHDRAWN published on 1.1.1985
Selected format:Test methods for industrial rigid laminated sheets based on thermosetting resins for electrical purpose
WITHDRAWN published on 3.6.1997
Selected format:Phenolic laminated paper tube
WITHDRAWN published on 1.1.1985
Selected format:Epoxy laminated glass fabric tube
WITHDRAWN published on 1.1.1985
Selected format:Test methods of laminated tubes used for electrical insulation
WITHDRAWN published on 29.4.1985
Selected format:Laminated rods
WITHDRAWN published on 29.4.1985
Selected format:Test methods of laminated rods used for electrical insulation
WITHDRAWN published on 29.4.1985
Selected format:Latest update: 2026-06-14 (Number of items: 2 282 206)
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