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Standards GB - Chinese national standards - Page 5526

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GB/T 11073-1989 WITHDRAWN

Standard method for measuring radial resistivity variation on silicon slices

WITHDRAWN published on 31.3.1989

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GB 11074.1-1989 WITHDRAWN

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WITHDRAWN published on 1.1.1989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GB/T 11074.1-1989 WITHDRAWN

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WITHDRAWN published on 31.3.1989

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GB 11074.2-1989 WITHDRAWN

Samarium oxide--Determination of Praseodymium oxide, neodymium oxide, europium oxide, gadolinium oxide and yttrium oxide contents--Emission spectrographic method (II)

WITHDRAWN published on 1.1.1989

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electronic design (pdf) (238.80 USD)

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GB/T 11074.2-1989 WITHDRAWN

Samarium oxide--Determination of Praseodymium oxide, neodymium oxide, europium oxide, gadolinium oxide and yttrium oxide contents--Emission spectrographic method()

WITHDRAWN published on 31.3.1989

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electronic design (pdf) (ON REQUEST)

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Out of stock