Polyphase alternating current fusion welding with control of interphase voltage, andwith combined alternating current and direct current welding potentials
摘要
申请公布号
US2583507(A)
申请公布日期
1952.01.22
申请号
US19490085284
申请日期
1949.04.04
申请人
THE BABCOCK & WILCOX COMPANY
发明人
CARPENTER OTIS R.;JR. FRANK W. ARMSTRONG,;RASMUSEN REIDAR P. C.
