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公开(公告)号：US2952803A
公开(公告)日：1960-09-13
申请号：US71440058
申请日：1958-02-10
Applicant: CSF
Inventor： DANIEL CHARLES , MICHEL SOULET
IPC: H01F7/02
CPC classification number: H01F7/021 , Y10T29/49075
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公开(公告)号：US3215893A
公开(公告)日：1965-11-02
申请号：US6732160
申请日：1960-11-04
Applicant: CSF
Inventor： GILBERT BOUCHER , MICHEL SOULET
CPC classification number: H01J17/14 , H01J17/00 , H01J17/066 , H01J2893/0064 , H01J2893/0066
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