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Standards GB - Chinese national standards - Page 9023
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 9799-1997
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Metallic coatings—Electroplated coatings of zinc on iron or steel
WITHDRAWN published on 25.7.1997
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GBN 98-1980
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WITHDRAWN published on 1.1.1980
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GBJ 98-1987
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Specifications for the design of civil air-raid facilities-fire prevention
WITHDRAWN published on 1.1.1987
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GB/T 9802-1988
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Air quality—Determination of total suspended particulates—Gravimetric method
WITHDRAWN published on 16.8.1988
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GB 9804-1996
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Standard for smokemetric tablet
WITHDRAWN published on 4.10.1996
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GB 9805-1988
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Sampling drill series
WITHDRAWN published on 1.1.1988
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GB 9806-1988
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Specification for sampling drills
WITHDRAWN published on 1.1.1988
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GB 9807-1988
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Tool series for sampling drills
WITHDRAWN published on 1.1.1988
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GB/T 9808-1988
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Series of hydrogeologic and water well drilling tubings
WITHDRAWN published on 5.9.1988
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GB/T 9808-2008
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Seamless steel tubes for drilling
WITHDRAWN published on 10.10.2008
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