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GB - Chinese national standards - Page 6896

Standards GB - Chinese national standards - Page 6896

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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Preview GB 21248-2007 3.12.2007
GB 21248-2007 WITHDRAWN

The norm of energy consumption per unit products of copper metallurgical enterprise

WITHDRAWN published on 3.12.2007

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Preview GB 21248-2014 28.4.2014
GB 21248-2014 WITHDRAWN

The norm of energy consumption per unit product of copper metallurgical enterprise

WITHDRAWN published on 28.4.2014

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Preview GB 21249-2007 3.12.2007
GB 21249-2007 WITHDRAWN

The norm of energy consumption per unit products of zinc metallurgical enterprise

WITHDRAWN published on 3.12.2007

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Preview GB 21249-2014 28.4.2014
GB 21249-2014 WITHDRAWN

The norm of energy consumption pur unit product of zinc metallurgical enterprise

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Preview GB 2125-1980 1.1.1980
GB 2125-1980 WITHDRAWN

Determination of yttrium oxide content in xenotime concentrates--Extraction chromatographic separation--EDTA volumetric method

WITHDRAWN published on 1.1.1980

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Preview GB 21250-2007 3.12.2007
GB 21250-2007 WITHDRAWN

The norm of energy consumption per unit products of lead metallurgical enterprise

WITHDRAWN published on 3.12.2007

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Preview GB 21250-2014 28.4.2014
GB 21250-2014 WITHDRAWN

The norm of energy consumption per unit product of lead metallurgical enterprise

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Preview GB 21251-2007 3.12.2007
GB 21251-2007 WITHDRAWN

The norm of energy consumption per unit products of nickel metallurgical enterprise

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Preview GB 21251-2014 28.4.2014
GB 21251-2014 WITHDRAWN

The norm of energy consumption per unit product of nickel metallurgical enterprise

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Preview GB 21252-2007 3.12.2007
GB 21252-2007 WITHDRAWN

The norm of energy consumption per unit product of architecture and sanitary ceramics

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