| 申请人 |
DONETSKY NAUCHNO-ISSLEDOVATELSKY INSTITUT CHERNOI METALLURGII;AND PROIZVODSTVENNOE OBIEDINENIE "ZHDANOVTYAZHMASH" |
发明人 |
O.N. CHEMERIS;A.A. CVILEV;V.K. DIDKOVSKY;V.A. KOROTKY;A.V. LAKUNTSOV;I.A. JUZEFOVSKY;F.V. KRAIZINGER;V.A. ERMILOV;E.D. SHTEPA;V.M. CHERVONENKO;L.M. UCHITEL |
