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Standards GB - Chinese national standards - Page 7044
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 2302-1980
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Very pure glacial acetic acid
WITHDRAWN published on 1.1.1980
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GB/T 23020-2013
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Assessment specification on integration of informatization and industrialization for industrial enterprises
WITHDRAWN published on 18.9.2013
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GB 2303-1980
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Very pure hydrofluoric acid
WITHDRAWN published on 1.1.1980
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GB/T 2304-1988
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Chemical reagent—Zinc
WITHDRAWN published on 20.9.1988
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GB 2306-1980
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WITHDRAWN published on 1.1.1980
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GB/T 2306-1997
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Chemical reagent Potassium hydroxide
WITHDRAWN published on 9.9.1997
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GB 2307-1986
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Standard layout for analytical method by gas chromatography
WITHDRAWN published on 1.1.1986
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GB/T 2308-1980
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Mechanical properties of interchangeable magnetic single disk cartridge (top mounted)
WITHDRAWN published on 26.12.1980
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GB/T 2309-1980
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Mechanical properties of interchangeable magnetic six-disk pack
WITHDRAWN published on 26.12.1980
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GBN 231-1984
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WITHDRAWN published on 19.11.1984
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