申请人 |
LENINGRADSKOE NAUCHNO-PROIZVODSTVENNOE OBIEDINENIE"ABRAZIVNY ZAVOD "ILICH";LENINGRADSKY TEKHNOLOGICHESKY INSTITUT IMENI LENSOVETA |
发明人 |
TSYVIAN ANNA MIKHAILOVNA;LYSANOV VLADISLAV SERGEEVICH;EFROS MIKHAIL GRIGORIEVICH;KHALILEV VLADIMIR DEVLETOVICH;MIRONJUK VALENTINA SERGEEVNA;VENZEL LILIA IVANOVNA |