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Standards GB - Chinese national standards - Page 6760
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 19520.4-2004
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Mechanical structures for electronic equipment—Dimensions of mechanical structures of the 482.6mm(19in)series—Part 4:Subracks and associated plug-in units—Additional dimensions
WITHDRAWN published on 14.5.2004
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GB/T 19520.5-2004
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Mechanical structures for electronic equipment—Dimensions of mechanical structures of the 482,6mm(19in)series—Part 5-100:Subracks and associated plug-in units—Design overview
WITHDRAWN published on 14.5.2004
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GB/T 19520.6-2004
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Mechanical structures for electronic equipment—Dimensions of mechanical structures of the 482.6mm(19in)series—Part 5-101:Subracks and associated plug-in units—Injector/extractor handle
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GB/T 19520.7-2004
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Mechanical structures for electronic equipment—Dimensions of mechanical structures of the 482.6mm(19in)series—Part 5-102:Subracks and associated plug-in units—Electromagnetic shielding provision
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GB/T 19520.8-2004
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Mechanical structures for electronic equipment—Dimensions of mechanical structures of the 482.6mm(19in)series—Part 5-103:Subracks and associated plug-in units—Electrostatic discharge protection
WITHDRAWN published on 14.5.2004
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GB/T 19520.9-2004
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Mechanical structures for electronic equipment—Dimensions of mechanical structures of the 482.6mm(19in)series—Part 5-104:Subracks and associated plug-in units—Keying
WITHDRAWN published on 14.5.2004
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GB 19522-2004
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Blood-breath alcohol concentration and examination for driving
WITHDRAWN published on 31.5.2004
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GB 19522-2010
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Blood & breath alcohol concentration and examination for vehicle drivers
WITHDRAWN published on 27.1.2011
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GB/T 19525.1-2004
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Animal environment—Terminology
WITHDRAWN published on 31.5.2004
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GB/T 1953-1984
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Marine low pressure bronze male threaded stop check valves
WITHDRAWN published on 1.6.1984
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