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发明名称
ELECTROSLAG REMELTING AND WELDING PROCESSES
摘要
申请公布号
US3519781(A)
申请公布日期
1970.07.07
申请号
USD3519781
申请日期
1968.06.20
申请人
FOSECO INTERN. LTD.
发明人
FRANK E.G. RAVAULT
分类号
B23K25/00;B23K35/34;B23K35/36;C22B9/18;(IPC1-7):B23K9/18
主分类号
B23K25/00
代理机构
代理人
主权项
地址
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