申请人 |
BELOLIPETSKY, ALEXEI YAKOVLEVICH;LEVOCHKIN, PAVEL AFANASIEVICH;JURKOVSKY, IVAN IVANOVICH;KOLOMIETS, DECEASED, BORIS MAKAROVICH |
发明人 |
BELOLIPETSKY, ALEXEI YAKOVLEVICH;LEVOCHKIN, PAVEL AFANASIEVICH;JURKOVSKY, IVAN IVANOVICH;KOLOMIETS, DECEASED, BORIS MAKAROVICH |