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Standards GB - Chinese national standards - Page 7589
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 7974-2002
WITHDRAWN
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Paper, board and pulp-Measurement of brightness—Diff/Geometry
WITHDRAWN published on 15.10.2002
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GB/T 7975-1987
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Paper and board--Measurement of colour(Diff/o-geometry)
WITHDRAWN published on 26.6.1987
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GB/T 7976-1987
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Insulating paper and board--Determination of the electrical conductivity for the water extract
WITHDRAWN published on 26.6.1987
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GB/T 7977-1987
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Paper board and pulps--Determination of the electrical conductivity for the water extract
WITHDRAWN published on 26.6.1987
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GB/T 7978-1987
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Pulps--Determination of acid-insoluble ash
WITHDRAWN published on 26.6.1987
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GB/T 7979-1987
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Pulps--Determination of dichloromethane soluble matter
WITHDRAWN published on 26.6.1987
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GB/T 7979-2005
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Pulps—Determination of dichloromethane soluble matter
WITHDRAWN published on 26.9.2005
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GB/T 798-1988
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Eye bolts
WITHDRAWN published on 24.6.1988
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GB/T 7983-1987
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Conveyor belts—Troughability—Method of test
WITHDRAWN published on 4.6.1987
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GB/T 7983-2005
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Conveyor belts—Transverse flexibility and troughability—Test method
WITHDRAWN published on 15.9.2005
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