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发明名称
Welding method and apparatus
摘要
申请公布号
US2572796(A)
申请公布日期
1951.10.23
申请号
US19480034623
申请日期
1948.06.23
申请人
THE B. F. GOODRICH COMPANY
发明人
WOODARD HARRY W.
分类号
B23K37/00
主分类号
B23K37/00
代理机构
代理人
主权项
地址
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