Ротативная траншейная машина
PROKOFEV V.P, KARPOV V.D, KIRILLIN P.G, VASSFMAN O.S, RUMYANTSEV V.A, TIKHONOV N.V, VANYUSHIN V.N, SURGUCHEV A.I
Year of Publication 30.11.1957
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Year of Publication 30.11.1957
Patent