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Standards GB - Chinese national standards - Page 7579
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 3843-1983
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Emission standard for smoke at free acceleration from road vehicle with diesel engine
WITHDRAWN published on 1.1.1983
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GB 3844-1983
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Emission standard for smoke at full load from automotive diesel engine
WITHDRAWN published on 1.1.1983
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GB 3845-1983
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Measurement method for pollutants at idle speed from road vehicle with petrol engine
WITHDRAWN published on 1.1.1983
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GB/T 3845-1993
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Measurement method for pollutants at idle speed from vehicle with petrol engine
WITHDRAWN published on 10.12.1993
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GB 3846-1983
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Measurement method for smoke at free acceleration from road vehicle with diesel engine
WITHDRAWN published on 1.1.1983
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GB/T 3846-1993
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Measurement method for smoke exhausted from vehicle with diesel engine at free acceleration—Filtermeter
WITHDRAWN published on 10.12.1993
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GB 3847-1999
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Limits and measurement methods for exhaust visible pollutants from compression ignition(C.I.) engines and vehicles equipped with C.I. engines
WITHDRAWN published on 10.3.1999
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GB 3847-2005
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Limits and measurement methods for exhaust smoke from C.I.E.(Compression Ignition Engine) and vehicle equipped with C.I.E.
WITHDRAWN published on 30.5.2005
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GB/T 38470-2019
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Recycling materials for brass
WITHDRAWN published on 31.12.2019
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GB/T 38471-2019
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Recycling materials for copper
WITHDRAWN published on 31.12.2019
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