For citations:
Ivshin I.V., Safin A.R., Gibadullin R.R., Petrov T.I., Tsvetkov A.N., Nizamiyev M.F., Kornilov V.Yu. Analysis of the development of electric drives for oil rocking machines by the results of patent search. Power engineering: research, equipment, technology. 2019;21(5):3-13. (In Russ.) https://doi.org/10.30724/1998-9903-2019-21-5-3-13
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