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2.Sole electrode of the crossed-field type of electron discharge device having a coating of refractory material thereon 失效
Title translation: 具有在其上的耐火材料涂层的交叉场型电子放电装置的唯一电极公开(公告)号:US3374389A
公开(公告)日:1968-03-19
申请号:US38363464
申请日:1964-07-20
Applicant: CSF
Inventor: PIERRE CAHOUR , WALTER SOBOTKA
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公开(公告)号:US3230485A
公开(公告)日:1966-01-18
申请号:US17734962
申请日:1962-03-05
Applicant: CSF
Inventor: WALTER SOBOTKA
IPC: H01J23/24
CPC classification number: H01J23/24
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