申请人 |
VISHNYAKOV VALENTIN N,SU;IVANOV IGOR P,SU;IDELSON ALEKSANDR S,SU;POLYAKOV VALENTIN N,SU;MELNIKOV VIKTOR V,SU;MEDVEDEV VLADIMIR D,SU |
发明人 |
VISHNYAKOV VALENTIN N,SU;IVANOV IGOR P,SU;IDELSON ALEKSANDR S,SU;POLYAKOV VALENTIN N,SU;MELNIKOV VIKTOR V,SU;MEDVEDEV VLADIMIR D,SU |