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Standards GB - Chinese national standards - Page 7029
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 21771-2008
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Chemicals - Test method of combined repeated dose toxicity study with the reproduction/developmental toxicity screening
WITHDRAWN published on 12.5.2008
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GB/T 21772-2008
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Chemicals - Test method of mammalian bone narrow chromosome aberration
WITHDRAWN published on 12.5.2008
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GB/T 21773-2008
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Chemicals - Test method of in vivo mammalian erythrocyte micronucleus
WITHDRAWN published on 12.5.2008
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GB/T 21774-2008
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Coating powders—Determination of stoving condition
WITHDRAWN published on 12.5.2008
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GB/T 21779-2008
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Test method for particle size distribution of metal powders and related compounds by light scattering
WITHDRAWN published on 12.5.2008
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GB/T 2178-1991
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(The parts and units of jigs and fixtures. Turn the bent plate)
WITHDRAWN published on 1.1.1991
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GB/T 21782.1-2008
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Coating powders - Part 1: Determination of particle size distribution by sieving
WITHDRAWN published on 12.5.2008
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GB/T 21782.10-2008
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Coating powders - Part 10Determination of deposition efficiency
WITHDRAWN published on 12.5.2008
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GB/T 21782.2-2008
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Coating powders - Part 2: Determination of density by gas comparison pyknometer (referee method)
WITHDRAWN published on 12.5.2008
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GB/T 21782.3-2008
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Coating powders - Part 3Determination of density by liquid displacement pyknometer
WITHDRAWN published on 12.5.2008
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