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Standards GB - Chinese national standards - Page 7476
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 3048.5-1994
WITHDRAWN
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Test methods for determining electrical properties of electric cables and wires Determining insulation resistance Comparison-galvanometer method
WITHDRAWN published on 19.5.1994
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GB 3048.6-1983
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Electric wires and cables--Test methods for determining insulation resistance--Voltmeter-ammeter method
WITHDRAWN published on 1.1.1983
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GB/T 3048.6-1994
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Test methods for determining electrical properties of electric cables and wires Determining insulation resistance Voltmeter-ammeter method
WITHDRAWN published on 19.5.1994
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GB 3048.7-1983
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Electric wires and cables--Tracking resistance test method
WITHDRAWN published on 1.1.1983
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GB/T 3048.7-1994
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Test methods for determining electrical properties of electric cables and wires Tracking resistance test
WITHDRAWN published on 19.5.1994
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GB 3048.8-1983
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Electric wires and cables--Methods for A. C. voltage tests
WITHDRAWN published on 1.1.1983
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GB/T 3048.8-1994
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Test methods for determining electrical properties of electric cables and wires A.C. voltage tests
WITHDRAWN published on 19.5.1994
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GB 3048.9-1983
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Electric wires and cables--A. C. spark test of insulated cores
WITHDRAWN published on 1.1.1983
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GB/T 3048.9-1994
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Test methods for determining electrical properties of electric cables and wires A.C. spark test of insulated cores
WITHDRAWN published on 19.5.1994
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GB/T 30488-2014
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Light for survival craft and rescue boats
WITHDRAWN published on 19.2.2014
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