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Standards GB - Chinese national standards - Page 6591
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 1821-1979
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Determination of iron content in tin concentrates--Dichromate volumetric method
WITHDRAWN published on 29.12.1979
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GB/T 18211-2000
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General requirements for safety of electrical micro-machines
WITHDRAWN published on 17.10.2000
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GB/T 18212-2000
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Calculation of maximum external diameter of cables for indoor installations
WITHDRAWN published on 7.10.2000
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GB/T 18215.1-2000
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Flow measurement of city manufactured gas in main pipes Part 1:Method using standard orifice plate throttling device
WITHDRAWN published on 17.10.2000
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GB/T 18216.1-2000
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Electrical safety in low voltage distribution systems up to 1000V a.c. and 1500V d.c.—equipment for testing, measuring or monitoring of protective measuring Part 1:General requirements
WITHDRAWN published on 17.10.2000
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GB/T 18216.1-2012
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Electrical safety in low voltage distribution systems up to 1 000 V a.c.and 1 500 V d.c.—Equipment for testing,measuring or monitoring of protective measures—Part 1:General requirements
WITHDRAWN published on 5.11.2012
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GB/T 18216.12-2010
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Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 12: Performances measuring and monitoring devices (PMD)
WITHDRAWN published on 14.1.2011
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GB/T 18216.2-2002
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Electrical safety in low voltage distribution systems up to 1000V a.c. and 1500V d.c.—Equipment for testing, measuring or monitoring of protective measuring—Part 2:Insulation resistance
WITHDRAWN published on 25.11.2002
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GB/T 18216.2-2012
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Electrical safety in low voltage distribution systems up to 1 000 V a.c.and 1 500 V d.c.—Equipment for testing, measuring or monitoring of protective measures—Part 2:Insulation resistance
WITHDRAWN published on 5.11.2012
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GB/T 18216.3-2007
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Electrical safety in low voltage distribution systems up to 1 000 V a.c.and 1 500 V d.c.—Equipment for testing, measuring or monitoring of protective measures—Part 3:Loop impedance
WITHDRAWN published on 11.10.2007
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