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Standards GB - Chinese national standards - Page 7333
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 2679.8-1981
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Paper board--Determination of compression strength
WITHDRAWN published on 1.1.1981
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GB/T 2679.8-1995
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Paper and board—Determination of compressive strength—Ring crush method
WITHDRAWN published on 6.7.1995
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GB/T 2679.9-1993
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Paper and board—Determination of roughness(Print-surf method)
WITHDRAWN published on 15.2.1993
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GB/T 26792-2011
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High performance liquid chromatography
WITHDRAWN published on 29.7.2011
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GB/T 26794-2011
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Indexes for diaphragm gas meters
WITHDRAWN published on 29.7.2011
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GBN 268-1987
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WITHDRAWN published on 1.1.1987
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GB 2680-1981
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Sheet glass-Determination of transmittancy of visible rays
WITHDRAWN published on 1.1.1981
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GB/T 2680-1994
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Determination of light transmittance, solar direct transmittance, total solar energy transmittance and ultraviolet transmittance for glass in building and related glazing factors
WITHDRAWN published on 30.12.1993
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GB/T 2681-1981
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Colors of insulated conductors used in electrical assembly devices
WITHDRAWN published on 12.6.1981
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GB/T 26816-2011
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Information resource core metadata
WITHDRAWN published on 29.7.2011
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