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Standards GB - Chinese national standards - Page 7381
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 934-1989
WITHDRAWN
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Methods for measuring meteorological conditions in the hot work environment
WITHDRAWN published on 22.3.1989
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GB/T 934-2008
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Methods for measuring meteorological conditions in the hot work environment
WITHDRAWN published on 30.10.2008
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GB/T 9340-2001
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Method for relative measurement of the colour of fluorescent samples
WITHDRAWN published on 12.6.2001
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GB/T 9341-2000
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Plastics—Determination of flexural properties
WITHDRAWN published on 27.10.2000
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GB/T 9342-1988
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Plastics--Determination of hardness by the ballindentation method--Rockwell hardness
WITHDRAWN published on 14.6.1988
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GB/T 9343-1988
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Test method for flammability of plastics—Flash-ignition temperature and self-ignition temperature test
WITHDRAWN published on 13.5.1988
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GB/T 9345-1988
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Plastics—Determination of ash—General methods
WITHDRAWN published on 13.5.1988
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GB/T 9348-1988
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Determination of number of impurities and foreign particles of polyvinyl chloride resins
WITHDRAWN published on 13.5.1988
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GB/T 9349-1988
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Determination of the thermal stability of homopolymer and copolymer resins of cinyl chloride and their compounds--Discoloration method
WITHDRAWN published on 14.6.1988
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GB 935-1989
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Limit value of allowable continuous heat exposure time in hot environment
WITHDRAWN published on 22.3.1989
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