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Standards GB - Chinese national standards - Page 5508
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 11662-2012
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Health protection zone for sintering industry
WITHDRAWN published on 20.11.2012
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GB 11663-1989
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Health protection zone standard for sulphuric acid plants
WITHDRAWN published on 24.7.1989
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GB 11664-1989
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Health protection zone standard for calcium magnesium phosphate fertilizer plants
WITHDRAWN published on 24.7.1989
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GB 11665-1989
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Health protection zone standard for calcium superphosphate plants
WITHDRAWN published on 24.7.1989
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GB 11666-1989
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Health protection zone standard for small nitrogenous fertilizer plants
WITHDRAWN published on 24.7.1989
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GB/T 11666.1-2012
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Health protection zone for fertilizer industry—Part 1:Nitrogen fertilizer industry
WITHDRAWN published on 20.11.2012
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GB/T 11666.2-2012
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Health protection zone for fertilizer industry—Part 2:Phosphate fertilizer industry
WITHDRAWN published on 20.11.2012
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GB 11667-1989
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Hygienic standard for inhalable particles in ambient air of residential areas
WITHDRAWN published on 24.7.1989
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GB 11669-1989
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WITHDRAWN published on 1.1.1989
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GB 1167-1974
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WITHDRAWN published on 1.1.1974
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