CNIS GB/T 223.50-94 Methods for chemical analysis of iron, steel and alloy. The phenylfluorone-CTMAB direct photometric method for the determination of tin content. Формат поставки-PDF. Язык стандарта-Английский
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CNIS GB/T 223.50-94 Methods for chemical analysis of iron, steel and alloy. The phenylfluorone-CTMAB direct photometric method for the determination of tin content
Язык:
Английский
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