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Standards GB - Chinese national standards - Page 8617
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 7656-1987
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Food additive--Sodium propionate
WITHDRAWN published on 1.1.1987
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GB 7657-1987
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Food additive—Glucono delta lactone
WITHDRAWN published on 14.4.1987
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GB 7657-2005
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Food additive—Glucono delta-lactone
WITHDRAWN published on 30.6.2005
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GB 7658-1987
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Food additive—D-sorbitol solution
WITHDRAWN published on 14.4.1987
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GB 7658-2005
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Food additive—Sorbitol solution
WITHDRAWN published on 30.6.2005
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GB/T 7659-1987
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Carbon steel castings suitable for welded structure
WITHDRAWN published on 17.4.1987
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GB/T 7659-2010
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steel casting suitable for welded structure
WITHDRAWN published on 23.12.2010
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GB/T 7660.1-1987
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Reflecting prisms--Optical axis length of optical axisaxial section and optical parallelism
WITHDRAWN published on 17.4.1987
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GB/T 7660.2-1987
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Reflecting prisms--Classificationcode name and chart
WITHDRAWN published on 20.6.1987
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GB/T 7660.3-1987
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Reflecting prisms--Characteristics of image rotation
WITHDRAWN published on 20.6.1987
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