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12.
公开(公告)号:US2421208A
公开(公告)日:1947-05-27
申请号:US59228745
申请日:1945-05-05
Applicant: RCA CORP
Inventor: LEVERENZ HUMBOLDT W
IPC: H01J9/22
CPC classification number: H01J9/223
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公开(公告)号:US2402758A
公开(公告)日:1946-06-25
申请号:US41706941
申请日:1941-10-30
Applicant: RCA CORP
Inventor: LEVERENZ HUMBOLDT W
IPC: H01J29/18
CPC classification number: H01J29/182
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公开(公告)号:US2310852A
公开(公告)日:1943-02-09
申请号:US35346140
申请日:1940-08-21
Applicant: RCA CORP
Inventor: LEVERENZ HUMBOLDT W
IPC: H01J9/22
CPC classification number: H01J9/221 , Y10T428/24942 , Y10T428/31678
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公开(公告)号:US2298947A
公开(公告)日:1942-10-13
申请号:US34879040
申请日:1940-07-31
Applicant: RCA CORP
Inventor: LEVERENZ HUMBOLDT W
IPC: C09K11/02
CPC classification number: C09K11/025
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公开(公告)号:US2243828A
公开(公告)日:1941-05-27
申请号:US23690938
申请日:1938-10-25
Applicant: RCA CORP
Inventor: LEVERENZ HUMBOLDT W
IPC: H01J29/18
CPC classification number: H01J29/187
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公开(公告)号:US2223830A
公开(公告)日:1940-12-03
申请号:US22208538
申请日:1938-07-30
Applicant: RCA CORP
Inventor: LEVERENZ HUMBOLDT W
IPC: H01J9/22
CPC classification number: H01J9/223
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公开(公告)号:US2890624A
公开(公告)日:1959-06-16
申请号:US31348252
申请日:1952-10-07
Applicant: RCA CORP
Inventor: ELLEN WIDDOP MARY , LEVERENZ HUMBOLDT W
IPC: G02B5/28
CPC classification number: G02B5/285
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公开(公告)号:US2774003A
公开(公告)日:1956-12-11
申请号:US32710252
申请日:1952-12-20
Applicant: RCA CORP
Inventor: LEVERENZ HUMBOLDT W
IPC: H01J31/20
CPC classification number: H01J31/20 , H01J2231/1255
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