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发明名称
Method and apparatus for helically welding strip material
摘要
申请公布号
US3377459(A)
申请公布日期
1968.04.09
申请号
US19670619870
申请日期
1967.03.01
申请人
BROWN FINTUBE COMPANY
发明人
JR. JOHN W. BROWN,;KAASE ROBERT W.
分类号
B23K11/08
主分类号
B23K11/08
代理机构
代理人
主权项
地址
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