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Standards GB - Chinese national standards - Page 6891
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 2117-1980
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Determination of boron content in selenium--Methylene blue photometric method
WITHDRAWN published on 1.1.1980
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GB/T 21170-2007
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Glass hollowware--Test method for lead and cadmium release
WITHDRAWN published on 31.10.2007
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GB/T 21171-2007
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Technical terms of fragrances and flavors
WITHDRAWN published on 31.10.2007
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GB/T 21172-2007
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Sensory analysis—General guidance and test method for assessment of the colour of foods
WITHDRAWN published on 29.10.2007
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GB 2118-1980
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Determination of chlorine content in selenium--Thiocyanate photometric method
WITHDRAWN published on 1.1.1980
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GB/T 21181-2007
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Secondarily lead and lead alloy ingots
WITHDRAWN published on 23.11.2007
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GB/T 21182-2007
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Scraps of cemented carbide
WITHDRAWN published on 23.11.2007
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GB/T 21183-2007
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Zirconium and zirconium alloy sheet,strip and foil
WITHDRAWN published on 23.11.2007
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GB 2119-1980
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Determination of sulphur content in selenium--Distillation-reduction photometric method
WITHDRAWN published on 1.1.1980
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GB/T 21197-2007
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Line type optical fiber heat detector
WITHDRAWN published on 21.12.2007
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