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Standards GB - Chinese national standards - Page 8817
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 6406.3-1986
WITHDRAWN
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Testing method for compressive strength of synthetic diamond or cubic boron nitride
WITHDRAWN published on 1.1.1986
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GB 6406.4-1986
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Method for determination of impurities in synthetic diamond or cubic boron nitride
WITHDRAWN published on 1.1.1986
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GB 6406.5-1986
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Marking and packing for synthetic diamond or cubic boron nitride
WITHDRAWN published on 1.1.1986
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GB 6407-1986
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Technical requirements for synthetic diamond
WITHDRAWN published on 1.1.1986
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GB/T 6408-1986
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Technical requirements for cubic boron nitride
WITHDRAWN published on 20.5.1986
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GB/T 6408-2003
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Super abrasive—Cubic boron nitride
WITHDRAWN published on 8.10.2003
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GB 6409.1-1986
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Abrasive products--Diamond or cubic boron nitride grinding wheels and sticks--Shape types, designation
WITHDRAWN published on 1.1.1986
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GB/T 6409.1-1994
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Superhard abrasive products and saws—-General survey designation
WITHDRAWN published on 20.12.1994
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GB 6409.2-1986
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Diamond or cubic boron nitride grinding wheels
WITHDRAWN published on 1.1.1986
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GB/T 6409.2-1996
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Abrasive products—Diamond or cubic boron nitride grinding tools—Form and dimensions
WITHDRAWN published on 5.7.1996
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