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Standards GB - Chinese national standards - Page 7703
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 8772-1988
WITHDRAWN
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Hygienic standards for seat arrangement and illumination in classroom with television
WITHDRAWN published on 22.2.1988
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GB 8772-2011
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Hygienic standard for seat arrangement and illumination in classroom with television
WITHDRAWN published on 30.12.2011
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GB 8773-1988
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Hygienic standard for methylacrylate in the air of workplace
WITHDRAWN published on 23.2.1988
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GB 8774-1988
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Hygienic standard for antimony and its compounds in the air of workplace
WITHDRAWN published on 23.2.1988
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GB 8775-1988
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Hygienic standard for allyl chloride in the air of workplace
WITHDRAWN published on 23.2.1988
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GB 8776-1988
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Hygienic standard for methyl methylacrylate in the air of workplace
WITHDRAWN published on 23.2.1988
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GB 8777-1988
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Hygienic standard for sulfur hexafluoride in the air of workplace
WITHDRAWN published on 23.2.1988
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GB 8778-1988
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Hygienic standard for phosphamidon in the air of workplace
WITHDRAWN published on 23.2.1988
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GB 8779-1988
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Hygienic standard for lithium hydride in the air of workplace
WITHDRAWN published on 23.2.1988
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GB/T 878-1986
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Parallel pins with external thread
WITHDRAWN published on 2.7.1986
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