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Essential oils. Method for determination of optical rotation
Document status: Active
Screw-drills and vane bits for them. Types and main dimensions
Document status: Active
Bauxite. Methods for determination of calcium oxide and magnesium oxide contents
Document status: Active
Equipment mountain-mine. Systems of safety of the coal mines multifunctional. Terms and definitions
Document status: Replaced by GOST R 54977-2019
