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