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pro vyhledávání: '"N. D. Bilyk"'
Autor:
B. V. Kopey, N. D. Bilyk
Publikováno v:
Scientific Bulletin of Ivano-Frankivsk National Technical University of Oil and Gas. :62-71
At present, there is not enough literature on the study of effective methods of the pump rod cleaning from asphalt-resinous and paraffinic substances and salts using the rod string rotator. At present, no rotators have been developed that significant