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Standards GB - Chinese national standards - Page 7893
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 50055-1993
WITHDRAWN
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Code for design of electric distribution of general-purpose utilization equipment
WITHDRAWN published on 14.9.1993
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GB 50057-1994
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Design code for protection of structures against lightning
WITHDRAWN published on 18.4.1994
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GB 50058-1992
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Specifications for the design of electric systems in places with explosion and fire
WITHDRAWN published on 14.5.1992
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GB 50059-1992
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Design code for substation(35~110kv)
WITHDRAWN published on 19.9.1992
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GB 5006-1985
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Determination of crude starch in cereals seeds
WITHDRAWN published on 1.1.1985
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GB 50060-1992
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Design code for high voltage electrical installation(3~110kv)
WITHDRAWN published on 19.9.1992
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GB 50061-1997
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Code for design of 66kV or under over-head electrical power transmission line
WITHDRAWN published on 12.11.1997
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GB 50062-1992
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Design code for relaying protection and automatic device of electric power installation
WITHDRAWN published on 1.7.1992
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GB/T 50063-2008
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Code for design of electrical measuring device of power system
WITHDRAWN published on 1.1.2008
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GB 50067-1997
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Code for fire protection design of garage, motor-repair-shop and parking-area
WITHDRAWN published on 5.10.1997
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