申请人 |
ABRAMOV LEONID M,SU;GUTMAN ANATOLIJ L,SU;KATSELENBOGEN LEV D,SU;PRESMAN VLADIMIR S,SU;SHESTYUK IOSIF ,SU;SHOKUROV YURIJ S,SU |
发明人 |
ABRAMOV LEONID M,SU;GUTMAN ANATOLIJ L,SU;KATSELENBOGEN LEV D,SU;PRESMAN VLADIMIR S,SU;SHESTYUK IOSIF ,SU;SHOKUROV YURIJ S,SU |