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Standards GB - Chinese national standards - Page 7569
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 41158.6-2022
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Three-dimensional process planning for mechanical products—Part 6Data requirements
WITHDRAWN published on 9.3.2022
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GB/T 41158.7-2022
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Three-dimensional process planning for mechanical products—Part 7 Distribution requirements
WITHDRAWN published on 9.3.2022
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GB/T 4116-1983
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Oersted and ampere per metre conversion tables
WITHDRAWN published on 26.12.1983
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GB/T 4117-1992
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Methylene chloride for industrial use
WITHDRAWN published on 24.4.1992
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GB/T 4118-1992
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Trichloromethane for industrial use
WITHDRAWN published on 24.4.1992
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GB/T 4119-1993
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Carbon tetrachloride for industrial use
WITHDRAWN published on 15.6.1993
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GB 412-1978
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WITHDRAWN published on 1.1.1978
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GB/T 4120.1-1983
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Liquid chlorinated methanes for industrial use--Determination of colour (platinum-cobalt scale)
WITHDRAWN published on 1.1.1983
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GB/T 4120.2-1983
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Liquid chlorinated methanes for industrial use--Determination of density (hydrometer method)
WITHDRAWN published on 1.1.1983
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GB/T 4120.3-1992
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Liquid chlorinated methanes for industrial use—Determination of acidity(titrimetry)
WITHDRAWN published on 24.4.1992
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