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Standards GB - Chinese national standards - Page 7580
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 38472-2019
WITHDRAWN
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Recycling materials for cast aluminium alloys
WITHDRAWN published on 31.12.2019
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GB/T 38472-2019E
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Recycling materials for cast aluminium alloys
WITHDRAWN published on 31.12.2019
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GB/T 3848-1983
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Hardmetals—determination of (the magnetization) coercivity
WITHDRAWN published on 14.9.1983
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GB/T 3849-1983
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Hardmetals—Rockwell hardness (scale A) test method
WITHDRAWN published on 14.9.1983
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GB 385-1977
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WITHDRAWN published on 1.1.1977
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GB/T 3850-1983
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Impermeable sintered metal materials and hardmetals—determination of density
WITHDRAWN published on 14.9.1983
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GB/T 3851-1983
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Hardmetals—determination of transverse rupture strength
WITHDRAWN published on 14.9.1983
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GB 3852-1983
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Types and dimensions for the bore and keyways of coupling
WITHDRAWN published on 1.1.1983
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GB/T 3852-1997
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Types and dimension for coupling bores and their connection
WITHDRAWN published on 1.12.1997
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GB/T 3852-2008
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Types and dimensions for coupling bores and their connection
WITHDRAWN published on 27.9.2008
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