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Standards GB - Chinese national standards - Page 7485
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 2900.16-1996
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Electrotechnical terminology Power capacitors
WITHDRAWN published on 17.6.1996
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GB 2900.17-1983
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Electrotechnical terminology Relay and protective equipment
WITHDRAWN published on 1.1.1983
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GB/T 2900.17-1994
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Electrotechnical terminologies—Electrical relays
WITHDRAWN published on 19.5.1994
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GB/T 2900.17-2009
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Electrotechnical terminology—Measuring relays
WITHDRAWN published on 13.3.2009
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GB/T 2900.18-1992
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Electrotechnical terminology Low voltage apparatus
WITHDRAWN published on 20.6.1992
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GB 2900.19-1982
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Electrotechnical terminology--High voltage test technique and insulation co-ordination
WITHDRAWN published on 1.1.1982
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GB/T 2900.19-1994
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Electrotechnical terminology High-voltage test technique and insulation co-ordination
WITHDRAWN published on 19.5.1994
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GB/T 2900.20-1994
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Electrotechnical terminology—High-voltage switchgear
WITHDRAWN published on 12.4.1994
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GB/T 2900.22-1985
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Electrotechnical terminology—Electric welding machine
WITHDRAWN published on 9.5.1985
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GB 2900.23-1983
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Electrotechnical terminology--Industrial electro-heat installation
WITHDRAWN published on 1.1.1983
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