申请人 |
LIMITED LIABILITY COMPANY "RESEARCH-AND-PRODUCTION CENTER "DRILL INSTRUMENT";KVACH VOLODYMYR VASYLIOVYCH;KOSHOVSKYI VASYL FEDOROVYCH |
发明人 |
MARCHUK YAROSLAV SEMENOVYCH;KVACH VOLODYMYR VASYLIOVYCH;KOSHOVSKYI VASYL FEDOROVYCH;YATSKIV MYKHAILO PETROVYCH |