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Tungsten concentrate. Method of determination of calcium oxide
Document status: Active
Talc and talcomagnesite. Method for determination of magnesium oxide content
Document status: Replaced by GOST 19728.8-2001
Lubricating oils. Determination of barium, calcium, magnesium and zinc concentrations by atomic absorption spectrometry method
Document status: Active
Production and preparation waste of coal. Classification
Document status: Active