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81.Electron discharge device and circuit for high frequency oscillations 失效
Title translation: 用于高频振荡的电子放电装置和电路公开(公告)号:US2149024A
公开(公告)日:1939-02-28
申请号:US75515334
申请日:1934-11-28
Applicant: RCA CORP
Inventor: LINDENBLAD NILS E
IPC: H01J25/68
CPC classification number: H01J25/68
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公开(公告)号:US2104541A
公开(公告)日:1938-01-04
申请号:US458635
申请日:1935-02-01
Applicant: TELEFUNKEN GMBH
Inventor: ERICH HOLLMANN HANS
IPC: H01J25/68
CPC classification number: H01J25/68
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公开(公告)号:US2078245A
公开(公告)日:1937-04-27
申请号:US73085534
申请日:1934-06-16
Applicant: TELEFUNKEN GMBH
Inventor: ERICH HOLLMANN HANS
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公开(公告)号:US2060508A
公开(公告)日:1936-11-10
申请号:US56660431
申请日:1931-10-03
Applicant: WESTINGHOUSE ELECTRIC & MFG CO
Inventor: KOZANOWSKI HENRY N
IPC: H01J25/68
CPC classification number: H01J25/68
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公开(公告)号:US2054816A
公开(公告)日:1936-09-22
申请号:US46652430
申请日:1930-07-08
Applicant: AMERICAN TELEPHONE & TELEGRAPH
Inventor: ERICH HOLLMANN HANS
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公开(公告)号:US2043659A
公开(公告)日:1936-06-09
申请号:US73456434
申请日:1934-07-11
Applicant: TELEFUNKEN GMBH
Inventor: FELIX HERRIGER
IPC: H01J25/68
CPC classification number: H01J25/68
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公开(公告)号:US2022988A
公开(公告)日:1935-12-03
申请号:US66852233
申请日:1933-04-29
Applicant: RCA CORP
Inventor: THOMPSON BROWDER J
IPC: H01J25/68
CPC classification number: H01J25/68
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90.Method of generating ultraradio frequency sound-modulated oscillations 失效
Title translation: 产生超声频调制振荡的方法公开(公告)号:US2015523A
公开(公告)日:1935-09-24
申请号:US63905132
申请日:1932-10-22
Applicant: TELEFUNKEN GMBH
Inventor: WALDEMAR ILBERG
IPC: H01J25/68
CPC classification number: H01J25/68
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