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Standards GB - Chinese national standards - Page 6821
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 20241-2006
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Laminated veneer lumber
WITHDRAWN published on 18.5.2006
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GB/T 20244-2006
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Fiber optic devices for image transmission
WITHDRAWN published on 8.5.2006
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GB 2025-1980
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Centrifugal by-pass type lubricating oil filter for marine use
WITHDRAWN published on 1.1.1980
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GB/T 20252-2006
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Lithium cobalt oxide
WITHDRAWN published on 8.5.2006
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GB/T 20254.1-2006
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Copper and copper alloy strips for lead frame—Part 1:Flat strips
WITHDRAWN published on 8.5.2006
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GB/T 20254.2-2006
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Copper and copper alloy stripsfor lead frame—Part 2:U-strips
WITHDRAWN published on 8.5.2006
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GB/T 20256-2006
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Specifications for the gravimetry control
WITHDRAWN published on 24.5.2006
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GB/T 20257.1-2007
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Cartographic symbols for national fundamental scale maps—Part 1:Specifications for cartographic symbols 1500 11 000 & 12 000 topographic maps
WITHDRAWN published on 30.8.2007
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GB/T 20257.2-2006
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Cartographic symbols for national fundamental scale maps—Part 2:Specifications for cartographic symbols 15 000 & 110 000 topographic maps
WITHDRAWN published on 24.5.2006
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GB/T 20257.3-2006
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Cartographic symbols for national fundamental scale maps—Part 3:Specifications for cartographic symbols 125 000 150 000 & 1100 000 topographic maps
WITHDRAWN published on 24.5.2006
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