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Standards GB - Chinese national standards - Page 8225
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 5239-2006
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Praseodymium oxide
WITHDRAWN published on 13.4.2006
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GB 524-1974
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WITHDRAWN published on 1.1.1974
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GB/T 524-1989
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General flat belting
WITHDRAWN published on 15.7.1989
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GB/T 524-2003
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Flat transmission belt
WITHDRAWN published on 5.3.2003
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GB/T 5240-1992
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Neodymium oxide
WITHDRAWN published on 9.7.1992
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GB/T 5240-2006
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Neodymium oxide
WITHDRAWN published on 13.4.2006
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GB/T 5241-1985
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Cerium-Concentrate hydrate
WITHDRAWN published on 22.7.1985
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GB/T 5242-1985
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Check rules and test methods of cemented carbide products
WITHDRAWN published on 22.7.1985
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GB/T 5242-2006
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Check rules and test methods of cemented carbide products
WITHDRAWN published on 26.9.2006
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GB/T 5243-1985
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Marking, packing, transport and storage of cemented carbide products
WITHDRAWN published on 22.7.1985
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