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公开(公告)号:US2465385A
公开(公告)日:1949-03-29
申请号:US62081645
申请日:1945-10-06
Applicant: INT STANDARD ELECTRIC CORP
Inventor: WARWICK MARSH WALTER , PETER WELCH
IPC: H01J25/08
CPC classification number: H01J25/08
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公开(公告)号:US2686272A
公开(公告)日:1954-08-10
申请号:US26826452
申请日:1952-01-25
Applicant: INT STANDARD ELECTRIC CORP
Inventor: CECIL ROGERS DOUGLAS , WARWICK MARSH WALTER
IPC: H01J19/42
CPC classification number: H01J19/42
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