申请人 |
GOSUDARSTVENNY ORDENA TRUDOVOGO KRASNOGO ZNAMENI PROEKTNO-IZYSKATELSKY INSTITUT "METROGIPROTRANS" |
发明人 |
ALEXANDROVICH KHODOSH,VLADIMIR;FEDOROVICH SALOV,SERGEI;ALEXANDROVICH IVANOV,VALENTIN;ANDREEVICH VASILENKO,EVSTAFY;IVANOVICH SAVELIEV,LEONID;MOISEEVICH BOLOTIN,EVGENY |