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Standards GB - Chinese national standards - Page 6197
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 15072.8-1994
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Method for chemical analysis of precious metals and their alloys—Gold,palladium and silver alloys—Determination of copper content
WITHDRAWN published on 11.5.1994
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GB/T 15072.9-1994
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Method for chemical analysis of precious metals and their alloys—Gold alloys—Determination of indium content
WITHDRAWN published on 11.5.1994
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GB/T 15073-1994
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Designation and chemical composition of cast titanium and titanium alloys
WITHDRAWN published on 9.5.1994
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GB/T 15074-1994
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General guide for EPMA quantitative analysis
WITHDRAWN published on 9.5.1994
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GB/T 15074-2008
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General guide of quantitative analysis by EPMA
WITHDRAWN published on 16.6.2008
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GB/T 15075-1994
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Method for testing EPMA instrument
WITHDRAWN published on 9.5.1994
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GB/T 15076.1-1994
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Methods for chemical analysis of tantalum and niobium—Determination of tantalum content in niobium
WITHDRAWN published on 9.5.1994
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GB/T 15076.10-1994
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Methods for chemical analysis of tantalum and niobium—Determination of iron, nickel, chromium, titanium, zirconium, aluminum and manganese contents in niobium
WITHDRAWN published on 9.5.1994
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GB/T 15076.11-1994
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Methods for chemical analysis of tantalum and niobium—Determination of arsenic antimonyleadtinand bismuth contents in niobium
WITHDRAWN published on 9.5.1994
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GB/T 15076.12-1994
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Methods for chemical analysis of tantalum and niobium—Determination of carbon content
WITHDRAWN published on 9.5.1994
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