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Methods for chemical analysis of ironsteel and alloy--The anion-exchange separation-bromopyrogallol red photometric method for the determination of tantalumcontent
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STANDARD published on 18.7.1985
Designation standards: GB/T 223.42-1985
Publication date standards: 18.7.1985
SKU: NS-876652
Country: Chinese technical standard
Category: Technical standards GB
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