申请人 |
LENINGRADSKY GORNY INSTITUT IMENI G.V. PLEKHANOVA;PROIZVODSTVENNOE GEOLOGICHESKOE OBIEDINENIE TSENTRALNYKH/RAIONOV ÇTSENTRGEOLOGIAÇ |
发明人 |
NIKOLAEV, NIKOLAI IVANOVICH;TERESCHENKO, LEV ALEXANDROVICH;YAKOVLEV, ARIAN MIKHAILOVICH;KOVALENKO, VITALY IVANOVICH;LIPATOV, NIKOLAI KONSTANTINOVICH;TATEVOSIAN, RUBEN ARMENOVICH;TITOV, MIKHAIL YAKOVLEVICH |