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Standards GB - Chinese national standards - Page 8758
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 9109.4-1988
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Dynamic measurement of crude oil--Operating stipulations of verificating positive displacement meters by pipe prover
WITHDRAWN published on 22.4.1988
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GB/T 9109.5-1988
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Dynamic measurement of crude oil--Calculation of oil quantities
WITHDRAWN published on 22.4.1988
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GB/T 9109.5-2009
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Petroleum and liquid petroleum products—Calculation of oil quantities—Dynamic measurement
WITHDRAWN published on 16.3.2009
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GB/T 911-1966
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Hot-rolled and forged tool steel flats
WITHDRAWN published on 18.4.1966
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GB/T 911-2004
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Dimensions,shapes,weight and tolerances for hot-rolled tool flat steels
WITHDRAWN published on 19.1.2004
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GB/T 9111-1988
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Testing method of mulberry silkworm cocoon (driedcocoon)
WITHDRAWN published on 11.5.1988
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GB/T 9111-2006
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Methods of mulberry silkworm dried cocoons
WITHDRAWN published on 29.12.2006
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GB/T 9112-2000
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Types and parameters for steel pipe flanges
WITHDRAWN published on 28.9.2000
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GB/T 9112-2010
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Types and parameters for steel pipe flanges
WITHDRAWN published on 10.1.2011
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GB/T 9113-2010
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Integral steel pipe flanges
WITHDRAWN published on 14.1.2011
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