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Standards GB - Chinese national standards - Page 6146
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 14951-2007
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Measurement method of fuel saving technology for automobiles
WITHDRAWN published on 24.1.2007
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GB/T 14952.1-1994
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Anodizing of aluminium and its alloys—Assessment of quality of sealed anodic oxide coatings by measurement of the loss of mass after immersion in phosphoric-chromic acid solution
WITHDRAWN published on 1.8.1994
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GB/T 14952.2-1994
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Anodizing of aluminium and its alloys—Assessment of sealing quality by measurement of the loss of mass after immersion in acid solution
WITHDRAWN published on 11.3.1994
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GB/T 14952.3-1994
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Anodizing of aluminium and its alloys—Determination of color differences and appearance of colored anodic oxide films—Viewing method
WITHDRAWN published on 11.3.1994
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GB/T 14953-1994
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Copper wires
WITHDRAWN published on 20.2.1994
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GB/T 14954-1994
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Brass wires
WITHDRAWN published on 20.2.1994
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GB/T 14955-1994
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Bronze wires
WITHDRAWN published on 20.2.1994
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GB/T 14956-1994
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Special copper and copper alloy wires
WITHDRAWN published on 20.2.1994
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GB/T 14958-1994
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Steel wires for gas shielded welding
WITHDRAWN published on 13.6.1994
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GB/T 14959-1994
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Requirements of characteristics and calibration for personal neutron dosimeters(neutron energies less than 20MeV)
WITHDRAWN published on 16.3.1994
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