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发明名称
Method and apparatus for welding corrugated sheets to flat sheets
摘要
申请公布号
US2163590(A)
申请公布日期
1939.06.27
申请号
US19370163018
申请日期
1937.09.09
申请人
FLEETWINGS, INC.
发明人
GANAHL CARL DE;LAVELLE THOMAS B.
分类号
B23K11/06
主分类号
B23K11/06
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代理人
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