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Standards GB - Chinese national standards - Page 8922
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 7301-2002
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Feed additive—Nicotinamide
WITHDRAWN published on 24.9.2002
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GB/T 7302-1987
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Feed additive—Folic acid
WITHDRAWN published on 25.2.1987
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GB/T 7302-2008
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Feed additive—Folic acid
WITHDRAWN published on 3.3.2008
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GB 7303-1987
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Feed additive--Vitamin C (ascorbic acid)
WITHDRAWN published on 25.2.1987
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GB/T 7303-2006
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Feed additive—Vitamin C(L-ascorbic acid)
WITHDRAWN published on 24.2.2006
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GB/T 7304-2000
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Petroleum products and lubricants—Determination of acid number—Potentiometric titration method
WITHDRAWN published on 28.8.2000
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GB/T 7305-1987
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Petroleum oils and synthetic fluids--Determination of demulsibility characteristics
WITHDRAWN published on 26.2.1987
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GB/T 7306-1987
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Pipe threads where pressure-tight joints are made on the threads
WITHDRAWN published on 1.1.1987
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GB/T 7308-1987
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Plain bearings—Thin-walled flanged half bearings—Dimensions, tolerances and methods of checking
WITHDRAWN published on 24.2.1987
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GB/T 7308-2008
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Plain bearings—Thin-walled half bearings with or without flange—Tolerances,design features and methods of test
WITHDRAWN published on 25.8.2008
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