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公开(公告)号：CH674169A5
公开(公告)日：1990-05-15
申请号：CH179487
申请日：1987-05-11
Applicant: ELPATRONIC AG
Inventor： DE PAOLI ALBANO DR , LANZ ANDREAS , BAUMGARTNER MICHAEL , BUGMANN FRANZ
IPC: B21D51/26 , B23K26/262
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