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Standards GB - Chinese national standards - Page 8557
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 7262.2-2001
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Technical requirements and arrangement of equipment for highway communication—Arrangement of equipment
WITHDRAWN published on 24.10.2001
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GB/T 7262.3-1991
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Technical requirement and arrangement of equipment for highway communication--Technical requirement of network
WITHDRAWN published on 1.1.1991
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GB/T 7262.3-2001
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Technical requirements and arrangement of equipment for highway communication—Technical requirement of network
WITHDRAWN published on 24.10.2001
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GB 7263-1987
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Measurement of the performance characteristics of hearing aids for quality inspection for delivery purposes
WITHDRAWN published on 1.1.1987
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GB/T 7264-1987
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Methods of measurement on projection receivers for television broadcast transmissions
WITHDRAWN published on 1.1.1987
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GB 7266-1987
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Basic dimensions of electrical console for secondary circuit of power system
WITHDRAWN published on 14.2.1987
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GB/T 7267-1987
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Series of basic dimensions of control and protective panels and cabinet for secondary circuit of power system
WITHDRAWN published on 14.2.1987
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GB/T 7267-2003
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Series of basic dimension of control and protective panels and cabinet for secondary circuit of power of system
WITHDRAWN published on 5.6.2003
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GB/T 7268-1987
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Series of basic dimensions of subracks and associated panels of plug-in units for control and protective equipment of secondary circuit of power system
WITHDRAWN published on 14.2.1987
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GB/T 7268-2005
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Series of basic dimensions of subracks and associated panels of plug-in for control and protection equipment of secondary circuit of power system
WITHDRAWN published on 26.8.2005
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