CNIS GB/T 223.5-97 Methods for chemical analysis of iron, steel and alloy. The reduced molybdosilicate spectrophotometric method for the determination of acid-soluble silicon content. Формат поставки-PDF. Язык стандарта-Английский
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CNIS GB/T 223.5-97 Methods for chemical analysis of iron, steel and alloy. The reduced molybdosilicate spectrophotometric method for the determination of acid-soluble silicon content
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Английский
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