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Standards GB - Chinese national standards - Page 7776
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 4369-1984
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Lithium
WITHDRAWN published on 30.4.1984
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GB/T 4369-2007
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Lithium
WITHDRAWN published on 30.4.2007
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GB 437-1993
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Copper sulfate
WITHDRAWN published on 30.12.1993
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GB/T 4370-1984
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High pure lithium
WITHDRAWN published on 30.4.1984
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GB 4371-1984
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Lithium ribbon
WITHDRAWN published on 1.1.1984
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GB/T 4372.1-2001
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Methods for chemical analysis of zinc oxide produced by direct process—Determination of zinc oxide content-Na2EDTA titration method
WITHDRAWN published on 10.7.2001
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GB/T 4372.2-2001
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Methods for chemical analysis of zinc oxide produced by direct process—Determination of lead oxide content—Atomic absorption spectrometry method
WITHDRAWN published on 10.7.2001
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GB/T 4372.3-2001
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Methods for chemical analysis of zinc oxide produced by direct process—Determination of copper oxide content—Atomic absorption spectrometry method
WITHDRAWN published on 10.7.2001
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GB/T 4372.4-2001
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Methods for chemical analysis of zinc oxide produced by direct process—Determination of cadmium oxide content—Atomic absorption spectrometry method
WITHDRAWN published on 10.7.2001
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GB/T 4372.5-2001
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Methods for chemical analysis of zinc oxide produced by direct process—Determination of zinc oxide manganese content—Atomic absorption spectrometry method
WITHDRAWN published on 10.7.2001
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