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Standards GB - Chinese national standards - Page 7022
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 21765-2008
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Chemicals - Test method of subchronic inhalation toxicity study
WITHDRAWN published on 12.5.2008
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GB/T 21766-2008
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Chemicals - Test method of reproduction/developmental toxicity screening
WITHDRAWN published on 12.5.2008
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GB/T 21768-2008
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Chemical—Test method of DNA damage and repair/unscheduled DNA synthesis with mammalian cells in vitro
WITHDRAWN published on 12.5.2008
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GB/T 21769-2008
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Chemical - In vitro 3T3 NRU phototoxicity test method
WITHDRAWN published on 12.5.2008
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GB/T 2177-1991
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The parts and units of jigs and fixtures - Moving bend clamp plate
WITHDRAWN published on 1.1.1991
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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WITHDRAWN published on 12.5.2008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WITHDRAWN published on 12.5.2008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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