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GB - Chinese national standards - Page 6170

Standards GB - Chinese national standards - Page 6170

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 15076.2-1994 9.5.1994
GB/T 15076.2-1994 WITHDRAWN

Methods for chemical analysis of tantalum and niobium—Determination of niobium content in tantalum

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Preview GB/T 15076.3-1994 9.5.1994
GB/T 15076.3-1994 WITHDRAWN

Methods for chemical analysis of tantalum and niobium—Determination of copper content

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Preview GB/T 15076.4-1994 9.5.1994
GB/T 15076.4-1994 WITHDRAWN

Methods for chemical analysis of tantalum and niobium—Determination of iron content

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Preview GB/T 15076.5-1994 9.5.1994
GB/T 15076.5-1994 WITHDRAWN

Methods for chemical analysis of tantalum and niobium—Determination of molybdenum and tungsten contents

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Preview GB/T 15076.6-1994 9.5.1994
GB/T 15076.6-1994 WITHDRAWN

Methods for chemical analysis of tantalum and niobium—Determination of silicon content in tantalum

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Preview GB/T 15076.7-1994 9.5.1994
GB/T 15076.7-1994 WITHDRAWN

Methods for chemical analysis of tantalum and niobium—Determination of phospherus content in niobium

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Preview GB/T 15076.8-1994 9.5.1994
GB/T 15076.8-1994 WITHDRAWN

Methods for chemical analysis of tantalum and niobium—Determination of sulphur content in niobium

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Preview GB/T 15076.9-1994 9.5.1994
GB/T 15076.9-1994 WITHDRAWN

Methods for chemical analysis of tantalum and niobium—Determination of iron, chromium, nickel, manganese, titanium, aluminum, copper and zirconium contents in tantalum

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Preview GB/T 15077-1994 11.5.1994
GB/T 15077-1994 WITHDRAWN

Geometric size measuring methods of precious metals and their alloy materials

WITHDRAWN published on 11.5.1994

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Preview GB/T 15078-1994 11.5.1994
GB/T 15078-1994 WITHDRAWN

Measuring method for contact resistance of precious metal electrical contact materials

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