CNIS GB/T 223.60-97 Methods for chemical analysis of iron, steel and alloy--The perchloric acid dehydration gravimetric method for the determination of silicon content. Формат поставки-PDF. Язык стандарта-Английский
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CNIS GB/T 223.60-97 Methods for chemical analysis of iron, steel and alloy--The perchloric acid dehydration gravimetric method for the determination of silicon content
Язык:
Английский
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