| 申请人 |
INSTITUT ELEKTROSVARKI IMENI E.O. PATONA AKADEMII NAUK UKRAINSKOI SSR |
发明人 |
KUCHUK-YATSENKO SERGEI IVANOVICH;BOGORSKY MIKHAIL VLADIMIROVICH;KRIVENKO VALERY GEORGIEVICH;LAZEBNY IVAN LEONTIEVICH;PORKHUN FEDOR KONSTANTINOVICH;SAKHARNOV VASILY ALEXEEVICH;CHEREDNICHOK VITALY TIMOFEEVICH |
