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  4. Standard "GB/T 7731.3-1987"
WITHDRAWN GB/T 7731.3-1987 12.5.1987 preview

GB/T 7731.3-1987

Methods for chemical analysis of ferrotungsten--The bis (cyclohexanone) oxalyldihydrazone photometric method for the determination of copper content

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STANDARD published on 12.5.1987


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Price238.80 USD excl. VAT
238.80 USD

The information about the standard:

Designation standards: GB/T 7731.3-1987
Note: WITHDRAWN
Publication date standards: 12.5.1987
SKU: NS-889854
Country: Chinese technical standard
Category: Technical standards GB

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