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Standards GB - Chinese national standards - Page 8781
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 8321.4-1993
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Guideline for safety application of pesticides ()
WITHDRAWN published on 1.3.1993
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GB/T 8321.5-1997
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Guideline for safety application of pesticides(V)
WITHDRAWN published on 16.6.1997
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GB/T 8322-1987
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Molecular absorption spectrometry—Terminology
WITHDRAWN published on 25.11.1987
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GB/T 8323-1987
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Test method for flammability of plastics—Smoke density test
WITHDRAWN published on 1.12.1987
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GB/T 8323.1-2008
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Plastic—Smoke generation—Part 1:Guidance on optical-density testing
WITHDRAWN published on 30.12.2008
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GB/T 8324-1987
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Test method for bulk factor of moulding materials
WITHDRAWN published on 1.12.1987
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GB 8326-1987
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Plastics--Cellulose acetate in dilute solution--Determination of viscosity number and viscosity ratio
WITHDRAWN published on 1.1.1987
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GB 8327-1987
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Plastics--Unplasticized cellulose acetate--Determination of free acidity
WITHDRAWN published on 1.1.1987
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GB 8328-1987
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Plastics--Determination of ash--Unplasticized cellulose acetate
WITHDRAWN published on 1.1.1987
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GB 8329-1987
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Polytetrafluoroethylene resin--Finely divided molding powder
WITHDRAWN published on 1.1.1987
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