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GB - Chinese national standards - Page 386

Standards GB - Chinese national standards - Page 386

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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Preview GB/T 14349-2011 16.6.2011
GB/T 14349-2011

Press brake - Testing of the accuracy

Standard published on 16.6.2011

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Preview GB/T 14352.1-2010 10.11.2010
GB/T 14352.1-2010

Methods for chemical analysis of tungsten ores and molybdenum ores—Part 1:Determination of tungsten content

Standard published on 10.11.2010

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Preview GB/T 14352.11-2010 10.11.2010
GB/T 14352.11-2010

Methods for chemical analysis of tungsten ores and molybdenum ores - Part 11Determination of bismuth content

Standard published on 10.11.2010

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Preview GB/T 14352.12-2010 10.11.2010
GB/T 14352.12-2010

Methods for chemical analysis of tungsten ores and molybdenum ores - Part 12Determination of silver content

Standard published on 10.11.2010

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Preview GB/T 14352.13-2010 10.11.2010
GB/T 14352.13-2010

Methods for chemical analysis of tungsten ores and molybdenum ores - Part 13Determination of tin content

Standard published on 10.11.2010

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Preview GB/T 14352.14-2010 10.11.2010
GB/T 14352.14-2010

Methods for chemical analysis of tungsten ores and molybdenum ores - Part 14Determination of gallium content

Standard published on 10.11.2010

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Preview GB/T 14352.15-2010 10.11.2010
GB/T 14352.15-2010

Methods for chemical analysis of tungsten ores and molybdenum ores - Part 15Determination of germanium content

Standard published on 10.11.2010

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Preview GB/T 14352.16-2010 10.11.2010
GB/T 14352.16-2010

Methods for chemical analysis of tungsten ores and molybdenum ores - Part 16Determination of selenium content

Standard published on 10.11.2010

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Preview GB/T 14352.17-2010 10.11.2010
GB/T 14352.17-2010

Methods for chemical analysis of tungsten ores and molybdenum ores - Part 17Determination of tellurium content

Standard published on 10.11.2010

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Preview GB/T 14352.18-2010 10.11.2010
GB/T 14352.18-2010

Methods for chemical analysis of tungsten ores and molybdenum ores - Part 18Determination of rhenium content

Standard published on 10.11.2010

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