申请人 |
UKRAINIAN SCIENTIFIC-RESEARCH, PROJECT-DESIGN, AND TECHNOLOGICAL INSTITUTE OF EXPLOSION-PROOF AND MINE ELECTRICAL EQUIPMENT, WITH EXPERIMENTAL WORKS |
发明人 |
NAHORNYI MYKHAILO OLEKSANDROVYCH;HRUSHKO VOLODYMYR MANILOVYCH;KOVALIOV OLEKSANDR PETROVYCH;OMELCHENKO OLEKSANDR MYKOLAIOVYCH;CHERNOV IHOR YAKOVYCH |