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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
Scraps of aluminum and aluminum alloys
WITHDRAWN published on 26.9.2006
Selected format:Classification and specification for scraps and waste componet of copper and copper alloy
WITHDRAWN published on 9.7.1992
Selected format:Scraps of copper and copper alloy
WITHDRAWN published on 26.9.2006
Selected format:Classification and specification for scraps and waste componet of lead and lead alloy
WITHDRAWN published on 9.7.1992
Selected format:Classification and specification for scraps and waste componet of zinc and zinc alloy
WITHDRAWN published on 9.7.1992
Selected format:Pneumatic brakes for motor vehicls and their trailers-couplings--Types and dimensions
WITHDRAWN published on 23.2.1978
Selected format:Steel and iron slag cement
WITHDRAWN published on 28.7.1992
Selected format:Portland steel slag cement
WITHDRAWN published on 25.8.2006
Selected format:Rules for the filling of dissolved acetylene
WITHDRAWN published on 5.8.1992
Selected format:Terms relating to surface analysis
WITHDRAWN published on 20.8.1992
Selected format:Latest update: 2026-01-25 (Number of items: 2 257 482)
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