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公开(公告)号:US3207997A
公开(公告)日:1965-09-21
申请号:US20631462
申请日:1962-06-29
Applicant: ITT
Inventor: EBERHARDT EDWARD H
CPC classification number: H01J29/624 , H01J31/506
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公开(公告)号:US3069644A
公开(公告)日:1962-12-18
申请号:US79345859
申请日:1959-02-16
Applicant: ITT
Inventor: EBERHARDT EDWARD H
IPC: G01J5/20
CPC classification number: G01J5/20
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公开(公告)号:US2882486A
公开(公告)日:1959-04-14
申请号:US61629656
申请日:1956-10-16
Applicant: ITT
Inventor: EBERHARDT EDWARD H
IPC: G01R31/24
CPC classification number: G01R31/24
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