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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
Brass ingots for casting
WITHDRAWN published on 25.2.1988
Selected format:Zinc alloy ingots for casting
WITHDRAWN published on 25.2.1988
Selected format:Zinc alloy ingots for casting
WITHDRAWN published on 8.5.2006
Selected format:Bronze ingots for casting
WITHDRAWN published on 25.2.1988
Selected format:Bearing alloy ingots for casting
WITHDRAWN published on 25.2.1988
Selected format:Casting bearing alloy ingots
WITHDRAWN published on 4.7.2005
Selected format:Anode paste for aluminium electrolysis
WITHDRAWN published on 1.1.1988
Selected format:Anode carbon for aluminium electrolysis
WITHDRAWN published on 1.1.1988
Selected format:Cathode carbon block for aluminium electrolysis
WITHDRAWN published on 1.1.1988
Selected format:Partially graphitised cathode carbon block for aluminium electrolysis
WITHDRAWN published on 1.1.1988
Selected format:Latest update: 2026-01-11 (Number of items: 2 254 176)
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