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公开(公告)号：US2799750A
公开(公告)日：1957-07-16
申请号：US54843655
申请日：1955-11-22
Applicant: DETROIT CONTROLS CORP
Inventor： WILLIAM KOVACH JULIUS
CPC classification number: H02G3/14 , H01H37/04 , H01H37/12 , H01H37/36 , Y10S236/05
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