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公开(公告)号：US2538588A
公开(公告)日：1951-01-16
申请号：US3460448
申请日：1948-06-23
Applicant: CONTINENTAL ELECTRIC COMPANY
Inventor： SERGE PAKSWER , BENES JR JOHN J
IPC: H01J40/04
CPC classification number: H01J40/04
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