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Standards GB - Chinese national standards - Page 6224
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 16222-1996
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Health standard for monomethyl-hydrazine in the air of workplace
WITHDRAWN published on 3.4.1996
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GB 16223-1996
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Health standard for unsymmetric dimethylhydrazine in the air of workplace
WITHDRAWN published on 3.4.1996
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GB 16224-1996
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Health standard for dolomite dust in the air of workplace
WITHDRAWN published on 3.4.1996
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GB 16225-1996
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Health standard for respirable silica dust in the air of workplace
WITHDRAWN published on 3.4.1996
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GB 16226-1996
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Health standard for limestone dust in the air of workplace
WITHDRAWN published on 3.4.1996
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GB 16227-1996
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Health standard for element mercury vapour in the air of workplace
WITHDRAWN published on 3.4.1996
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GB 16228-1996
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Health standard for fluorides in the air of workplace
WITHDRAWN published on 3.4.1996
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GB 16229-1996
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Health standard for tungsten in the air of workplace
WITHDRAWN published on 3.4.1996
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GB 1623-1979
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WITHDRAWN published on 1.1.1979
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GB 16230-1996
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Health standard for isopropyl alcohol(IPA)in the air of workplace
WITHDRAWN published on 3.4.1996
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