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Standards GB - Chinese national standards - Page 6807
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 20041.1-2005
WITHDRAWN
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Conduit systems for electrical installations—Part 1:General requirements
WITHDRAWN published on 19.9.2005
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GB/T 20041.21-2008
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Conduit systems for cable management—Part 21:Particular requirement—Rigid conduit systems
WITHDRAWN published on 30.12.2008
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GB/T 20042.1-2005
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Proton exchange membrane fuel cell—Terminology
WITHDRAWN published on 19.9.2005
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GB/T 20042.2-2008
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Proton exchange membrane fuel cell—General technical specification of fuel cell stacks
WITHDRAWN published on 20.5.2008
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GB/T 20042.3-2009
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Proton exchange membrane fuel cell—Part 3:Test method for proton exchange membrane
WITHDRAWN published on 21.4.2009
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GB/T 20042.5-2009
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Proton exchange membrane fuel cell - Part 5: Test method for membrane electrode assembly
WITHDRAWN published on 21.4.2009
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GB/T 20042.6-2011
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Proton exchange membrane fuel cell—Part 6:Test method of bipolar plate properties
WITHDRAWN published on 30.12.2011
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GB/T 20042.7-2014
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Proton exchange membrane fuel cellsPart 7: Test method of carbon paper properties
WITHDRAWN published on 5.12.2014
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GB 20044-2005
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Electrical accessories—Portable residual current devices without integral overcurrent protection for household and similar use(PRCDs)
WITHDRAWN published on 9.10.2005
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GB/T 20049-2006
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Amusement devices code name
WITHDRAWN published on 9.1.2006
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