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Standards GB - Chinese national standards - Page 5785
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 12749-1991
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Environmental pollution measuring methods for copying machine
WITHDRAWN published on 21.3.1991
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GB 1275-1977
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WITHDRAWN published on 1.1.1977
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GB/T 1275-1994
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Chemical reagent—Aluminium potassium sulfate dodecahydrate
WITHDRAWN published on 11.3.1994
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GB/T 12750-1991
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Sectional specification for semiconductor integrated circuits, excluding hybrid circuits
WITHDRAWN published on 21.3.1991
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GB/T 12751-1991
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The specification of one channel high quality sound in sync
WITHDRAWN published on 21.3.1991
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GB/T 12753-1991
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Steel wire ropes for conveyer belts
WITHDRAWN published on 26.3.1991
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GB/T 12753-2002
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Steel wire ropes for conveyer belts
WITHDRAWN published on 10.3.2002
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GB/T 12753-2008
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Steel wire ropes for conveyer belts
WITHDRAWN published on 19.8.2008
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GB/T 12754-1991
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Coloured paint coat steel plates and strips
WITHDRAWN published on 26.3.1991
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GB/T 12754-2006
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Prepainted steel sheet
WITHDRAWN published on 5.2.2006
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