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Standards GB - Chinese national standards - Page 5150
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 7673.4-2008
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Paper covered wires - Part 4: Paper covered combined conductors
Standard published on 24.3.2008
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GB/T 7673.5-2008
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Paper covered wires - Part 5: Paper covered stranded conductors
Standard published on 24.3.2008
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GB/T 7674-2020
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Gas-insulated metal-enclosed switchgear for rated voltages of 72.5 kV and above
Standard published on 19.11.2020
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GB/T 7676.1-2017
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Direct acting indicating analogue electrical measuring instruments and their accessories—Part 1:Definitions and general requirements common to all parts
Standard published on 7.9.2017
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GB/T 7676.2-2017
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Direct acting indicating analogue electrical measuring instruments and their accessories—Part 2:Special requirements for ammeters and voltmeters
Standard published on 7.9.2017
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GB/T 7676.3-2017
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Direct acting indicating analogue electrical measuring instruments and their accessories—Part 3:Special requirements for wattmeters and varmeters
Standard published on 7.9.2017
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GB/T 7676.4-2017
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Direct acting indicating analogue electrical measuring instruments and their accessories—Part 4:Special requirements for frequency meters
Standard published on 7.9.2017
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GB/T 7676.5-2017
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Direct acting indicating analogue electrical measuring instruments and their accessories—Part 5:Special requirements for phase meters,power factor meters and synchroscopes
Standard published on 7.9.2017
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GB/T 7676.6-2017
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Direct acting indicating analogue electrical measuring instruments and their accessories—Part 6:Special requirements for ohmmeters(impedance meters) and conductance meters
Standard published on 7.9.2017
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GB/T 7676.7-2017
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Direct acting indicating analogue electrical measuring instruments and their accessories—Part 7:Special requirements for multi-function instruments
Standard published on 7.9.2017
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