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