| 申请人 |
GORNY INST KOLSKOGO FIL IM S.M. KIROVA AKADEMII NAUK SSSR |
发明人 |
ZELENOV, PETR IVANOVICH;USACHEV, PETR ALEXANDRIVICH;DAVYDOV, JURY VASILIEVICH;LYAKHOV, VYACHESLAV PETROVICH;ZELENOVA, IRINA MIKHAILOVNA;ALEINIKOV, NIKOLAI ALEXANDROVICH;SLADOVICH, VLADLEN FERDINANDOVICH;TITOV, VIKTOR IVANOVICH |
