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Standards GB - Chinese national standards - Page 6040
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 12744-1991
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Outdoor antipollution-type solid-core post insulators of ceramic material
WITHDRAWN published on 21.3.1991
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GB/T 12745-1991
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Static penetrometer
WITHDRAWN published on 21.3.1991
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GB/T 12746-1991
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Standard penetrometer
WITHDRAWN published on 21.3.1991
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GB/T 12747-1991
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Low voltage shunt capacitors of the self-healing type
WITHDRAWN published on 21.3.1991
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GB/T 12747.1-2004
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Shunt Power capacitors of the self-healing type for a.c.systems having a rated valtage up to and including 1000 V—Part 1:General-Performance,testing and rating-Safety requirements-Guide for installation and operation
WITHDRAWN published on 4.2.2004
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GB/T 12747.2-2004
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Shunt power capacitors of the self-healing type for a.c.systems having a rated voltage up to and including 1000V—Part 2:Ageing test,self-healing test and destruction test
WITHDRAWN published on 4.2.2004
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GB/T 12748-1991
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Method of test for optical theodolites
WITHDRAWN published on 21.3.1991
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GB/T 12749-1991
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Environmental pollution measuring methods for copying machine
WITHDRAWN published on 21.3.1991
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GB 1275-1977
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WITHDRAWN published on 1.1.1977
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GB/T 1275-1994
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Chemical reagent—Aluminium potassium sulfate dodecahydrate
WITHDRAWN published on 11.3.1994
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