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公开(公告)号：US3316517A
公开(公告)日：1967-04-25
申请号：US45697865
申请日：1965-05-19
Applicant: CONS ELECTRONICS IND
Inventor： ELLIN FREDRICK I
IPC: H01F29/06
CPC classification number: H01F29/06
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公开(公告)号：US3229238A
公开(公告)日：1966-01-11
申请号：US1174560
申请日：1960-02-29
Applicant: CONS ELECTRONICS IND
Inventor： ELLIN FREDRICK I
IPC: H01C1/148
CPC classification number: H01C1/148 , Y10T29/49101
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