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公开(公告)号:US2856524A
公开(公告)日:1958-10-14
申请号:US40747854
申请日:1954-02-01
Applicant: RCA CORP
Inventor: GREENBLATT MANUEL H
IPC: H01J31/04
CPC classification number: H01J31/04
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公开(公告)号:US2974231A
公开(公告)日:1961-03-07
申请号:US72585958
申请日:1958-04-02
Applicant: RCA CORP
Inventor: GREENBLATT MANUEL H , GREEN MILTON W
IPC: G01T1/30
CPC classification number: G01T1/30
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