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Standards GB - Chinese national standards - Page 6215
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 18489-2001
WITHDRAWN
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Capacitors for use in tubular fluorescent and other discharge lamp circuits—General and safety requirements
WITHDRAWN published on 2.11.2001
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GB/T 18490-2001
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Laser processing machines—Safety requirements
WITHDRAWN published on 2.11.2001
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GB/Z 18493-2001
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Information technology--Guide for software life cycle processes
WITHDRAWN published on 2.11.2001
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GB/T 18494.1-2001
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Convertor transformers—Part 1:Transformers for industrial applications
WITHDRAWN published on 2.11.2001
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GB/T 18494.2-2007
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Convertor transformers—Part 2:Transformers for HVDC applications
WITHDRAWN published on 16.1.2007
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GB/T 18494.3-2012
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Converter transformers—Part 3:Application guide
WITHDRAWN published on 29.6.2012
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GB/T 18497.1-2001
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Characteristics of electric infra-red emitters for industrial heating Part 1:Short wave infra-red emitters
WITHDRAWN published on 2.11.2001
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GB 18499-2001
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Residual current operated protective devices(RCD) for household and similar use—Electromagnetic compatibility
WITHDRAWN published on 30.12.2001
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GB/T 1850-1984
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Marine male threaded weight quick-closing valves
WITHDRAWN published on 1.6.1984
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GB/T 1850-2008
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Marine male threaded weight quick-closing valves
WITHDRAWN published on 4.8.2008
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