申请人 |
BRAVERMAN IOSIF B,SU;PARSHKOV IVAN M,SU;LEVAKOVA GALINA P,SU;BIRYUKOVA ALLA G,SU;KAMADEEV VLADIMIR ,SU;TSORAEVA SVETLANA V,SU |
发明人 |
BRAVERMAN IOSIF B,SU;PARSHKOV IVAN M,SU;LEVAKOVA GALINA P,SU;BIRYUKOVA ALLA G,SU;KAMADEEV VLADIMIR ,SU;TSORAEVA SVETLANA V,SU |