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Standards GB - Chinese national standards - Page 5528
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 11069-1989
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High purity germanium dioxide
WITHDRAWN published on 31.3.1989
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GB/T 11069-2006
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High purity germanium dioxide
WITHDRAWN published on 18.7.2006
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GB/T 11070-1989
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Reduced germanium ingot
WITHDRAWN published on 31.3.1989
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GB/T 11070-2006
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Reduced germanium ingot
WITHDRAWN published on 18.7.2006
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GB/T 11071-1989
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Zone-refined germanium ingot
WITHDRAWN published on 31.3.1989
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GB/T 11071-2006
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Zone-refined germanium ingot
WITHDRAWN published on 18.7.2006
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GB/T 11072-1989
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Indium antimonide polycrystal, single crystals and as-cut slices
WITHDRAWN published on 31.3.1989
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GB/T 11073-1989
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Standard method for measuring radial resistivity variation on silicon slices
WITHDRAWN published on 31.3.1989
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GB 11074.1-1989
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Samarium oxide--Determination of praseodymium oxide, neodymium oxide, europium oxide, gadolinium oxide andyttrium oxide contents--Emission spectrographic method (I)
WITHDRAWN published on 1.1.1989
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GB/T 11074.1-1989
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Samarium oxide--Determination of praseodymium oxide, neodymium oxide, europium oxide, gadolinium oxide andyttrium oxide contents--Emission spectrographic method()
WITHDRAWN published on 31.3.1989
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