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GB - Chinese national standards - Page 8889

Standards GB - Chinese national standards - Page 8889

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/T 9790-1988 5.9.1988

GB/T 9790-1988 WITHDRAWN

Metallic and related coatings—Vickers and Knoop microhardness tests

WITHDRAWN published on 5.9.1988

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Preview GB/T 9790-2021 30.4.2021

GB/T 9790-2021 WITHDRAWN

Metallic and related coatings--Vickers and knoop microhardness tests

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Preview GB/T 9791-1988 5.9.1988

GB/T 9791-1988 WITHDRAWN

Chromate conversion coatings on zinc and cadmium--Test methods

WITHDRAWN published on 5.9.1988

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Preview GB/T 9792-1988 5.9.1988

GB/T 9792-1988 WITHDRAWN

Conversion coatings on metallic materials--Determination of coating mass per unit area--Gravimetric methods

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Preview GB 9793-1988 1.1.1988

GB 9793-1988 WITHDRAWN

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WITHDRAWN published on 1.1.1988

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Preview GB/T 9793-1997 25.7.1997

GB/T 9793-1997 WITHDRAWN

Metallic and other inorganic coatings—Thermal spraying—Zincaluminium and their alloys

WITHDRAWN published on 25.7.1997

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Preview GB 9794-1988 1.1.1988

GB 9794-1988 WITHDRAWN

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WITHDRAWN published on 1.1.1988

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Preview GB 9795-1988 1.1.1988

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WITHDRAWN published on 1.1.1988

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Preview GB 9796-1988 1.1.1988

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WITHDRAWN published on 1.1.1988

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Preview GB 9797-1988 1.1.1988

GB 9797-1988 WITHDRAWN

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WITHDRAWN published on 1.1.1988

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