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公开(公告)号：US3147167A
公开(公告)日：1964-09-01
申请号：US16690362
申请日：1962-01-17
Applicant: DAY COMPANY
Inventor： BEDELL JOHN R , VALENTIN TSONEV
IPC: H02K3/26
CPC classification number: H02K3/26 , Y10T29/49204 , Y10T29/4979 , Y10T156/1075
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