PROFILE BAND FOR ELECTRIC MACHINE COMMUTATOR
LITVYAKOV EVGENIJ IVANOVICH,SU, PIVNENKO VIKTOR TIMOFEEVICH,SU, KHAYUROV YURIJ YAKOVLEVICH,SU, NIKIFOROV PETR MIKHAJLOVICH,SU
Year of Publication 05.01.1979
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Year of Publication 05.01.1979
Patent