申请人 |
PROIZVODSTVENNOE GEOLOGICHESKOE,;LENINGRADSKY GORNY INSTITUT IMENI G.V., |
发明人 |
EBERLING,IGOR LVOVICH;TERESCHENKO,LEV ALEXANDROVICH;NIKOLAEV,NIKOLAI IVANOVICH;YAKOVLEV,ARIAN MIKHAILOVICH;KOVALENKO,VITALY IVANOVICH;LIPATOV,NIKOLAI KONSTANTINOVICH;TATEVOSIAN,RUBEN ARMENOVICH;TITOV,MIKHAIL YAKOVLEVICH |