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1.
公开(公告)号:US2872339A
公开(公告)日:1959-02-03
申请号:US68763757
申请日:1957-10-02
Applicant: NAT RES DEV
Inventor: DENNIS GABOR , GABOR KALMAN PETER
IPC: H01J9/227
CPC classification number: H01J9/2277
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公开(公告)号:US2991591A
公开(公告)日:1961-07-11
申请号:US68763857
申请日:1957-10-02
Applicant: NAT RES DEV
Inventor: DENNIS GABOR , GABOR KALMAN PETER
IPC: C03B27/06
CPC classification number: C03B27/065 , C03B27/06
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