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Standards GB - Chinese national standards - Page 6099
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 14320-1993
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Vitrified force-honing stone
WITHDRAWN published on 17.4.1993
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GB/T 14321-1993
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Testing method for quantities of -Al2O3 phase in alumina with an X-ray diffractometer
WITHDRAWN published on 17.4.1993
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GB/T 14321-2008
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Testing method for quantities of -Al2O3 phase in alumina with an X-ray diffractometer
WITHDRAWN published on 3.6.2008
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GB/T 14322-1993
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Determination for grain size distribution of microgrits W3.5 to W0.5 of conventional abrasive
WITHDRAWN published on 17.4.1993
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GB/T 14323-1993
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Personal warning devices for X and gamma radiation
WITHDRAWN published on 20.4.1993
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GB/T 14324-1993
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Electrical capacitance level meter
WITHDRAWN published on 20.4.1993
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GB/T 14325-1993
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Guide for optimization of radiation protection
WITHDRAWN published on 20.4.1993
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GB/T 14326-1993
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Determination of carbon disulfide content in benzene
WITHDRAWN published on 29.3.1993
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GB/T 14327-1993
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Determination of thiophene content in benzene
WITHDRAWN published on 29.3.1993
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GB/T 14327-2009
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Determination of thiophene content in benzene
WITHDRAWN published on 8.7.2009
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