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Standards GB - Chinese national standards - Page 5532
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 11024.4-2001
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Shunt capacitors for a.c. power systems having a rated voltage above 1kV—Part 4:Internal fuses
WITHDRAWN published on 2.11.2001
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GB 11025-1989
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Internal fuses and internal overpressure disconnectors for shunt capacitors
WITHDRAWN published on 1.1.1989
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GB/T 11026.1-1989
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Guide for the determination of thermal endurance properties of electrical insulating materials--Part 1:General guidelines for ageing procedures and evaluation of test results
WITHDRAWN published on 31.3.1989
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GB/T 11026.1-2003
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Electrical insulating materials-Properties of thermal endurance—Part 1:Ageing procedures and evaluation of test results
WITHDRAWN published on 9.10.2003
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GB/T 11026.2-2000
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Guide for the determination of thermal endurance properties of electrical insulating materials Part 2:Choice of test criteria
WITHDRAWN published on 17.10.2000
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GB/T 11026.3-2006
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Electrical insulating materials—Thermal endurance properties—Part 3:Instructions for calculating thermal endurance characteristics
WITHDRAWN published on 9.11.2006
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GB/T 11026.3-2017
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Electrical insulating materials—Thermal endurance properties —Part 3: Intrucations for calculating thermal endurance characteristics
WITHDRAWN published on 29.12.2017
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GB/T 11026.4-1999
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Guide for the determination of thermal endurance properties of electrical insulating materials—Part 4:Ageing ovens—Single-chamber ovens
WITHDRAWN published on 13.9.1999
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GB/T 11026.7-2014
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Electrical insulating materialsThermal endurance propertiesPart 7: Determination of relative thermal endurance index (RTE) of insulating material
WITHDRAWN published on 6.5.2014
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GB/T 11026.8-2014
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Electrical insulating materialsThermal endurance propertiesPart 8: Determination of thermal endurance indices (TI and RTE) of an insulating material using the fixed time frame method
WITHDRAWN published on 6.5.2014
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