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1.发明授权
公开(公告)号：US3340420A
公开(公告)日：1967-09-05
申请号：US38245364
申请日：1964-07-14
Applicant: STROMBERG CARLSON CORP
Inventor： COMPTON ROBERT H , HAMANN OMER F , STEADMAN ROGER G
IPC: H01J29/80
CPC classification number: H01J29/80
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