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GB - Chinese national standards - Page 4897

Standards GB - Chinese national standards - Page 4897

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 5121.10-2008 17.6.2008
GB/T 5121.10-2008

Methods for chemical analysis of copper and copper alloys - Part 10:Determination of tin content

Standard published on 17.6.2008

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Preview GB/T 5121.11-2008 17.6.2008
GB/T 5121.11-2008

Methods for chemical analysis of copper and copper alloys - Part 11:Determination of zinc content

Standard published on 17.6.2008

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310.80 USD


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Preview GB/T 5121.12-2008 17.6.2008
GB/T 5121.12-2008

Methods for chemical analysis of copper and copper alloys - Part 12:Determination of antimony content

Standard published on 17.6.2008

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Preview GB/T 5121.13-2008 17.6.2008
GB/T 5121.13-2008

Methods for chemical analysis of copper and copper alloys - Part 13:Determination of aluminium content

Standard published on 17.6.2008

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394.80 USD


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Preview GB/T 5121.14-2008 17.6.2008
GB/T 5121.14-2008

Methods for chemical analysis of copper and copper alloys - Part 14Determination of manganese content

Standard published on 17.6.2008

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358.80 USD


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Preview GB/T 5121.15-2008 17.6.2008
GB/T 5121.15-2008

Methods for chemical analysis of copper and copper alloys - Part 15:Determination of cobalt content

Standard published on 17.6.2008

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Preview GB/T 5121.16-2008 17.6.2008
GB/T 5121.16-2008

Methods for chemical analysis of copper and copper alloys - Part 16:Determination of chromium content

Standard published on 17.6.2008

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358.80 USD


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Preview GB/T 5121.17-2008 17.6.2008
GB/T 5121.17-2008

Methods for chemical analysis of copper and copper alloys Part 17:Determination of beryllium content

Standard published on 17.6.2008

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202.80 USD


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Preview GB/T 5121.18-2008 17.6.2008
GB/T 5121.18-2008

Methods for chemical analysis of copper and copper alloys - Part 18:Determination of magnesium content

Standard published on 17.6.2008

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202.80 USD


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Preview GB/T 5121.19-2008 17.6.2008
GB/T 5121.19-2008

Methods for chemical analysis of copper and copper alloys - Part 19:Determination of silver content

Standard published on 17.6.2008

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electronic design (pdf) (226.80 USD)


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