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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
Terminology for radio interference
WITHDRAWN published on 1.1.1984
Selected format:Terminology for electromagnetic compatibility
WITHDRAWN published on 25.8.1995
Selected format:Electrotechnical terminology--Electromagnetic compatibility
WITHDRAWN published on 17.1.2003
Selected format:Sintered molybdenum alloy mandrels for tube-rolling
WITHDRAWN published on 1.1.1984
Selected format:Welded and weld-rolled titanium tubes
WITHDRAWN published on 1.1.1984
Selected format:Welded and weld-rolled titanium tubes for condensers and heat exchangers
WITHDRAWN published on 1.1.1984
Selected format:Lithium
WITHDRAWN published on 30.4.1984
Selected format:Lithium
WITHDRAWN published on 30.4.2007
Selected format:Copper sulfate
WITHDRAWN published on 30.12.1993
Selected format:High pure lithium
WITHDRAWN published on 30.4.1984
Selected format:Latest update: 2025-11-04 (Number of items: 2 242 248)
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