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Standards GB - Chinese national standards - Page 6085
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 14598.2-2011
WITHDRAWN
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Measuring relays and protection equipment—Part 1:Common requirements
WITHDRAWN published on 30.12.2011
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GB/T 14598.20-2007
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Electrical relays—Part 26:Electromagnetic compatibility requirements for measuring relays and protection equipment
WITHDRAWN published on 23.1.2007
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GB/T 14598.26-2015
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Measuring relays and protection equipment—Part 26:Electromagnetic compatibility requirements
WITHDRAWN published on 11.9.2015
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GB/T 14598.27-2008
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Measuring relays and protection equipment—Part 27:Product safety requirements
WITHDRAWN published on 24.9.2008
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GB/T 14598.27-2017
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Measuring relays and protection equipment—Part 27:Product safety requirements
WITHDRAWN published on 1.11.2017
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GB/T 14598.3-1993
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Electrical relays—Part 5:Insulation tests for electrical relays
WITHDRAWN published on 5.9.1993
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GB/T 14598.3-2006
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Electrical relays - Part 5: Insulation coordination for measuring relays and protection equipment - Requirements and tests
WITHDRAWN published on 14.3.2006
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GB/T 14598.300-2008
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General specification for microcomputer-based transformer protection equipment
WITHDRAWN published on 18.6.2008
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GB/T 14598.301-2010
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General specification of transformer fault oscillograph equipment for microprocessor-based generator
WITHDRAWN published on 2.9.2010
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GB/T 14598.4-1993
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Electrical relays Part 14:Endurance test for electrical relay contacts—Preferred values for contact loads
WITHDRAWN published on 5.9.1993
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