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Standards GB - Chinese national standards - Page 7589
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 4205-1984
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Standard directions of movement for actuators which control the operation of electrical apparatus
WITHDRAWN published on 19.3.1984
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GB/T 4205-2003
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Man-machine interface(MMI)—Actuating principles
WITHDRAWN published on 28.5.2003
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GB/T 4206-1984
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Silicone resin glass laminated sheets
WITHDRAWN published on 19.3.1984
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GB/T 4207-1984
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Method for determining the comparative and the proof tracking indices of solid insulating materials under moist conditions
WITHDRAWN published on 19.3.1984
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GB/T 4207-2003
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Method for determining the comparative and the proof tracking indices of solid insulating materials under moist conditions
WITHDRAWN published on 5.6.2003
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GB/T 4207-2012
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Method for the determination of the proof and the comparative tracking indices of solid insulating materials
WITHDRAWN published on 31.12.2012
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GB 4208-1993
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Degrees of protection provided by enclosure (IP code)
WITHDRAWN published on 28.12.1993
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GB/T 4208-2008
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Degrees of protection provided by enclosure(IP code)
WITHDRAWN published on 25.3.2008
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GB 4209-1984
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Sodium silicate
WITHDRAWN published on 1.1.1984
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GB/T 4209-1996
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Sodium silicate for industrial use
WITHDRAWN published on 2.12.1996
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