| 申请人 |
INSTITUT ELEKTROSVARKI IMENI E.O. PATONA AKADEMII-NAUK UKRAINSK OI SSR |
发明人 |
BORIS EVGENIEVICH PATON;VLADIMIR KONSTANTINOVICH LEBEDEV;SERGEI IVANOVICH KUCHUK-YATSENKO;VASILY ALEXEEVICH SAKHARNOV;BORIS AFANASIEVICH GALYAN;STANISLAV DMITRIEVICH DOBROVOLSKY |
