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Standards GB - Chinese national standards - Page 7396
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 9489.8-1988
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Methods for determination of carbon and sulphur in alundum powder
WITHDRAWN published on 27.6.1988
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GB/T 9489.9-1988
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Methods for determination of pH in alundum powder
WITHDRAWN published on 27.6.1988
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GB/T 9491-2002
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Liquid flux for soldering(Rosin base)
WITHDRAWN published on 9.8.2002
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GB/T 95-1985
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Plain washers--Product grade C
WITHDRAWN published on 1.8.1985
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GB/T 9505-1998
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Barium flash getters
WITHDRAWN published on 17.6.1998
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GB/T 9506.1-1988
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Generic rules for test method of getter properties
WITHDRAWN published on 25.6.1988
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GB/T 9506.10-1988
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Test method for firmness of getter by pressure or sinter
WITHDRAWN published on 25.6.1988
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GB/T 9506.11-1988
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Test method for weld strenght of getter support
WITHDRAWN published on 25.6.1988
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GB/T 9506.2-1988
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Test method for barium yield of barium flash getter
WITHDRAWN published on 25.6.1988
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GB/T 9506.3-1988
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Test method for barium content in getter fill and getter film of barium flash getter
WITHDRAWN published on 25.6.1988
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