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Manganese ores, concentrates and agglomerates. Methods of sampling and preparation of samples for chemical analysis and determination of moisture content
Document status: Active
Goods of household chemistry. Method for determination of active chlorine
Document status: Active
Essential oils, aromatics and their intermediates. Methods for determination of density and refractive index
Document status: Active
Brown coals, hard coals and anthracite. Method for determination of abrasive coefficient of ash
Document status: Replaced by GOST 21708-96