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Standards GB - Chinese national standards - Page 7143
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 2423.2-2001
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Environmental testing for electric and electronic products—Part 2:Test methods-Tests B:Dry heat
WITHDRAWN published on 2.11.2001
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GB/T 2423.20-1981
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Basic environmental testing procedures for electric and electronic products--Test Kd:The hydrogen sulfide method at the point of contact and the connecting element
WITHDRAWN published on 10.8.1981
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GB/T 2423.21-1991
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Basic environmental testing procedures for electric and electronic products—Test M:Low air pressure
WITHDRAWN published on 27.5.1991
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GB/T 2423.21-2008
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Environmental testing - Part 2: Test methods - Test M: Low air pressure
WITHDRAWN published on 30.12.2008
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GB 2423.22-1987
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WITHDRAWN published on 1.1.1987
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GB/T 2423.22-1987
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Basic environmental testing procedures for electric and electronic products--Test N: Change of temperature
WITHDRAWN published on 19.8.1987
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GB/T 2423.22-2002
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Environmental testing for electric and electronic products—Part 2:Test methods Test N:Change of temperature
WITHDRAWN published on 13.6.2002
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GB 2423.23-1982
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Basic environmental testing procedures for electric and electronic products--Test Q: sealing
WITHDRAWN published on 1.1.1982
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GB/T 2423.23-1995
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Environmental testing for electric and electronic products Test Q:Sealing
WITHDRAWN published on 27.1.1995
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GB 2423.24-1981
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Electric and electronic products--Basic environmental test regulations for electricians--Test Sa: The method of simulation of solar radiation on the earthsurface
WITHDRAWN published on 1.1.1981
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