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发明名称
Welding
摘要
申请公布号
US2354173(A)
申请公布日期
1944.07.18
申请号
US19410405963
申请日期
1941.08.08
申请人
PHELPS GEORGE H
发明人
PHELPS GEORGE H.
分类号
B23K11/00
主分类号
B23K11/00
代理机构
代理人
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