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经营范围
发明名称
APPARATUS FOR WELDING PIPE JOINTS
摘要
申请公布号
US3424887(A)
申请公布日期
1969.01.28
申请号
USD3424887
申请日期
1966.08.19
申请人
BARRY F. FEHLMAN
发明人
BARRY F. FEHLMAN
分类号
B23K9/028;(IPC1-7):B23K9/02;B23K5/08
主分类号
B23K9/028
代理机构
代理人
主权项
地址
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