| 申请人 |
GORNY INST KOLSKOGO FILIALA IM S M KIROVA AKAD NAUK SSSR |
发明人 |
ZELENOV PETR IVANOVICH;USACHEV PETR ALEXANDROVICH;DAVYDOV JURY VASILIEVICH;LYAKHOV VYACHESLAV PETROVICH;ZELENOVA IRINA MIKHAILOVNA;ALEINIKOV NIKOLAI ALEXANDROVICH;SLADKOVICH VLADLEN FERDINANDOVICH;TITOV VIKTOR IVANOVICH |
