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Standards GB - Chinese national standards - Page 7601
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 4272-1992
WITHDRAWN
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General principles for thermal insulation technique of equipments and pipes
WITHDRAWN published on 18.8.1992
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GB/T 4272-2008
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General principles for thermal insulation technique of equipment and pipes
WITHDRAWN published on 19.6.2008
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GB 4274-1984
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Effluent standards for pollutants from TNT manufacturing industry
WITHDRAWN published on 18.5.1984
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GB 4275-1984
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Effluent standards for pollutants from RDX manufacturing industry
WITHDRAWN published on 18.5.1984
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GB 4276-1984
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Effluent standards for pollutants from sulphuric acid concentration in propellant and explosive industry
WITHDRAWN published on 1.1.1984
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GB 4277-1984
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Effluent standards for pollutants from mercury fulminate manufacturing industry
WITHDRAWN published on 1.1.1984
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GB 4278-1984
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Effluent standards for pollutants from dinitrodiazophenol manufacturing industry
WITHDRAWN published on 18.5.1984
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GB 4279-1984
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Effluent standards for pollutants from lead aside,lead styphnate and D.S crystals manufacturing industry
WITHDRAWN published on 18.5.1984
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GB/T 428-1978
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Test methods of tearing strength for printed and dyed fabrics
WITHDRAWN published on 20.6.1978
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GB 4280-1984
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Effluent standards for pollutants from chromium salt industry
WITHDRAWN published on 1.1.1984
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