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公开(公告)号：US2559642A
公开(公告)日：1951-07-10
申请号：US74270347
申请日：1947-04-19
Applicant: INT STANDARD ELECTRIC CORP
Inventor： JAKOB KRUITHOF , MARINUS JOCHEM
IPC: H01B7/08
CPC classification number: H01B7/083
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