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1.发明授权Procedure for welding metal pieces to porous material and device for carrying out this procedure 失效将金属片焊接到多孔材料上的步骤以及执行该程序的装置
公开(公告)号：US3417200A
公开(公告)日：1968-12-17
申请号：US40110264
申请日：1964-10-02
Applicant: ASEA AB
Inventor： RUNE PERSSON
IPC: B23K11/26
CPC classification number: B23K11/26
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