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Filters for separation of solid and liquid systems. Classification and designations
Document status: Active
Brown coals, hard coals and anthracite. Method for determination of abrasive coefficient of ash
Document status: Replaced by GOST 21708-96
Bauxite. Methods for determination of manganese oxide (II) content
Document status: Active
Goods of household chemistry. Method for determination of alkaline components
Document status: Active