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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
Graphical symbols for use on electrical equipment
WITHDRAWN published on 1.1.1985
Selected format:Graphical symbols for use on electrical equipment
WITHDRAWN published on 17.12.1996
Selected format:Graphical symbols for use on electrical equipment—Part 2:Graphical symbols
WITHDRAWN published on 20.5.2008
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WITHDRAWN published on 1.1.1985
Selected format:Measurement method for exhaust emissions from motorcycle at idle speed
WITHDRAWN published on 7.9.1993
Selected format:Sound level measurement procedure for motorcycles
WITHDRAWN published on 1.1.1985
Selected format:Effluent standard for pollutants from scrubbing goods train
WITHDRAWN published on 1.1.1985
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WITHDRAWN published on 1.1.1976
Selected format:Test method for brittleness temperature of plastics by impact
WITHDRAWN published on 17.10.1985
Selected format:Preparation method for compression moulding of specimens of thermosetting moulding materials
WITHDRAWN published on 17.10.1985
Selected format:Latest update: 2026-06-09 (Number of items: 2 281 484)
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