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Standards GB - Chinese national standards - Page 7345
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
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GB/T 9017-1988
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Trifluorochloromethane
WITHDRAWN published on 13.4.1988
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GB/T 9019-2001
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Nominal diameter of pressure vessels
WITHDRAWN published on 13.2.2001
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GB/T 902.1-1989
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Weld studs for manual welding
WITHDRAWN published on 22.2.1989
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GB/T 902.2-1989
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Weld studs for arc welding
WITHDRAWN published on 22.2.1989
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GB/T 902.3-1989
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Weld studs for capacitor discharge welding
WITHDRAWN published on 22.2.1989
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GB/T 9020-1988
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Visual-frequency--Coaxial connectors generic specification of
WITHDRAWN published on 13.4.1988
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GB/T 9025-1988
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Cabled distribution systems primarily intended for sound and television signals operating between30 MHz and 1 GHz--Electrical and mechanical matching values
WITHDRAWN published on 13.4.1988
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GB/T 9029-1988
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Method of measurement of speed fluctuations in sound recording and reproducing equipment
WITHDRAWN published on 2.3.1988
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GB/T 903-1987
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Colourless optical glass
WITHDRAWN published on 25.5.1987
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GB/T 9030-1988
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Performance requirements for shipborne radio direction finder
WITHDRAWN published on 13.4.1988
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