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Standards GB - Chinese national standards - Page 6892
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 20042.7-2014
WITHDRAWN
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Proton exchange membrane fuel cells—Part 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WITHDRAWN published on 5.12.2014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WITHDRAWN published on 9.10.2005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 20047.1-2006
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Photovoltaic (PV) module safety qualification - Part 1: Requirements for construction
WITHDRAWN published on 13.1.2006
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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WITHDRAWN published on 9.1.2006
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GB 2005-1980
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Method for determination of coke particle content and the lump granulometric composition in metallurgical cokes
WITHDRAWN published on 1.1.1980
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GB/T 20050-2006
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Amusement devices inspect acceptance
WITHDRAWN published on 9.1.2006
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GB/T 20051-2006
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Specifications of no power type of amusement devices
WITHDRAWN published on 9.1.2006
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GB 20052-2006
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The minimum allowable values of energy efficiency and the evaluating values of energy conservation for three-phase distribution transformers
WITHDRAWN published on 9.1.2006
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GB 20052-2013
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Minimum allowable values of energy efficiency and energy efficiency grades for three-phase distribution transformers
WITHDRAWN published on 9.6.2013
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GB 20052-2020
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Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers
WITHDRAWN published on 29.5.2020
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