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Standards GB - Chinese national standards - Page 6211
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 1405-1978
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WITHDRAWN published on 1.1.1978
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GB 14050-1993
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Types and safety technical requirements of system earthing
WITHDRAWN published on 4.1.1993
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GB 14051-1993
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Standard colours for topographic maps
WITHDRAWN published on 4.1.1993
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GB/T 14053-1993
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Dosimetry of X and reference radiations for radiation protection over the energy range from 8 keV to 1.3 MeV
WITHDRAWN published on 4.1.1993
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GB/T 14054-1993
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Installed X or gamma radiation doserate meters, warning assemblies and monitors for use in radiation protection
WITHDRAWN published on 4.1.1993
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GB/T 14055-1993
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Neutron reference radiations for calibrating neutron- measuring devices used for radiation protection purposes and for determining their response as a function of neutron energy
WITHDRAWN published on 4.1.1993
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GB/T 14056-1993
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Evaluation of surface contamination—Part 1:Beta-emitters(maximum beta energy greater than 0.15MeV)and alpha emitters
WITHDRAWN published on 4.1.1993
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GB/T 14057-1993
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Decontamination of radioactivily contaminated surface—Method for testing and assessing the ease of decontamination
WITHDRAWN published on 4.1.1993
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GB/T 14057.2-2011
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Decontamination of radioactively contaminated surface - Part 2Testing method of decontamination agents for textiles
WITHDRAWN published on 16.6.2011
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GB/T 14058-1993
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Apparatus for gamma radiography
WITHDRAWN published on 4.1.1993
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