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Workover and production hoisting units for oil and gas wells. Types and specifications
Document status: Active
Goods of household chemistry. Methods for determination of anionic surface-active agent
Document status: Active
Testing of chemicals of environmental hazard. Leaching in soil columns
Document status: Active
Lubricating oils. Determination of barium, calcium, magnesium and zinc content by method of atomic absorption spectrometry
Document status: Active
Dusts of non-ferrous metallurgy enterprises. Methods of copper mass content measuring
Document status: Active
