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Standards GB - Chinese national standards - Page 8540
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 6649-1986
WITHDRAWN
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Generic specification of packages for semiconductor integrated circuits
WITHDRAWN published on 1.1.1986
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GB/T 665-1988
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Chemical reagent Copper() sulfate pentahydrate
WITHDRAWN published on 20.9.1988
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GB 6650-1986
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Specification for raised floor of computer room
WITHDRAWN published on 1.1.1986
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GB/T 6651-1986
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Interchangeable magnetic twelve-disk pack(200M bytes)
WITHDRAWN published on 31.7.1986
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GB/T 6652-1986
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Interchangeable magnetic twelve-disk pack (100M bytes)
WITHDRAWN published on 31.7.1986
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GB 6653-1994
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Steel plates for welded gas cylinders
WITHDRAWN published on 22.12.1994
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GB/T 6653-2008
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Steel plates and strips for welded gas cylinders
WITHDRAWN published on 23.12.2008
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GB 6654-1996
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Steel plates for pressure vessels
WITHDRAWN published on 5.4.1996
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GB 6655-1986
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Low alloy steel plates for layered pressure vessels
WITHDRAWN published on 1.1.1986
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GB/T 6656-1986
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DC ferrite permanent magnet motors
WITHDRAWN published on 5.8.1986
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