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Standards GB - Chinese national standards - Page 5928
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 13689-1992
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Industrial circulating cooling water—Determination of copper—Sodium diethyldithiocarbamate spectrophotometric method
WITHDRAWN published on 28.9.1992
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GB 13690-1992
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Classification and labels of dangerous chemical substances commonly used
WITHDRAWN published on 28.9.1992
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GB 13690-2009
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General rule for classification and hazard communication of chemicals
WITHDRAWN published on 21.6.2009
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GB 13691-1992
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Safety code for the dust protecting technique of the ceramic production
WITHDRAWN published on 28.9.1992
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GB/T 13692-1992
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Geological instruction of barite witherite deposit exploration
WITHDRAWN published on 28.9.1992
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GB 13693-1992
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Portland cement for road
WITHDRAWN published on 28.9.1992
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GB/T 13693-2005
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Portland cement for road
WITHDRAWN published on 22.4.2005
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GB/T 13694-1992
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General specifications of -,-planar standard sources
WITHDRAWN published on 29.9.1992
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GB/T 13696-1997
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Standard specification for uranium hexafluoride enriched to less than 5% 235U
WITHDRAWN published on 16.6.1997
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GB/T 13696-2007
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Specification for uranium hexafluoride enriched to less than 5%235U
WITHDRAWN published on 18.1.2007
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