DEVICE FOR RETAINING WORKING TOOL IN PERCUSSIVE TOOLS
PANFILOV S.A.,SU, VYSOTSKIJ I.F.,SU, LYSENKO L.L.,SU, KLUSHIN N.A.,SU, NEUSTROEV YU.A.,SU, ABRAMENKOV E.A.,SU
Year of Publication 15.08.1982
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Year of Publication 15.08.1982
Patent