申请人 |
RAKOV VALENTIN A,SU;SOMIN MIKHAIL L,SU;YAKOVLEVA NADEZHDA V,SU;TERENTEV ALBERT M,SU;IVANOV VIKTOR P,SU;SUTYAGIN IVAN S,SU |
发明人 |
RAKOV VALENTIN A,SU;SOMIN MIKHAIL L,SU;YAKOVLEVA NADEZHDA V,SU;TERENTEV ALBERT M,SU;IVANOV VIKTOR P,SU;SUTYAGIN IVAN S,SU |