ELECTROMUSICAL INSTRUMENT
SAKSONOV VIKTOR F,SU, SHAROV SERGEJ N,SU, LAPIN VLADIMIR A,SU, SKROBUNOV OLEG A,SU, ERMISHKIN STANISLAV E,SU, PODUNAEV GEORGIJ A,SU, AVROV OLEG M,SU, BELOV EVGENIJ F,SU
Year of Publication 07.11.1985
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Year of Publication 07.11.1985
Patent