申请人 |
PEKHTEREV YURIJ GAVRILOVICH,SU;KOVALEV EVGENIJ EVGENEVICH,SU;RYABOVA TAMARA YAKOVLEVNA,SU;PSALOMSHCHIKOV VIKTOR BORISOVICH,SU |
发明人 |
PEKHTEREV YURIJ GAVRILOVICH,SU;KOVALEV EVGENIJ EVGENEVICH,SU;RYABOVA TAMARA YAKOVLEVNA,SU;PSALOMSHCHIKOV VIKTOR BORISOVICH,SU |