CNIS GB/T 223.19-89 Methods for chemical analysis of iron,steel and alloy--The neocuproine-chloroform extraction photometric method for the determination of copper content. Формат поставки-PDF. Язык стандарта-Английский
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CNIS GB/T 223.19-89 Methods for chemical analysis of iron,steel and alloy--The neocuproine-chloroform extraction photometric method for the determination of copper content
Язык:
Английский
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PDF
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