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公开(公告)号:US2240557A
公开(公告)日:1941-05-06
申请号:US29661039
申请日:1939-09-26
Applicant: EITEL WILLIAM W , MCCULLOUGH JACK A
Inventor: EITEL WILLIAM W , MCCULLOUGH JACK A
IPC: H01J1/18
CPC classification number: H01J1/18
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公开(公告)号:US2047944A
公开(公告)日:1936-07-21
申请号:US1811535
申请日:1935-04-25
Applicant: HYGRADE SYLVANIA CORP
Inventor: ACKMAN HOWARD E , FINLEY CARTER EMMETT
IPC: H01J1/18
CPC classification number: H01J1/18
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公开(公告)号:US2012129A
公开(公告)日:1935-08-20
申请号:US32616928
申请日:1928-12-15
Applicant: GEN ELECTRIC
Inventor: HULL ALBERT W
CPC classification number: H01J1/18 , H01J19/42 , H01J2893/0002
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公开(公告)号:US1897255A
公开(公告)日:1933-02-14
申请号:US34750529
申请日:1929-03-16
Applicant: RCA CORP
Inventor: JAN HEUVELINK DIRK
IPC: H01J1/18
CPC classification number: H01J1/18
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公开(公告)号:US1866358A
公开(公告)日:1932-07-05
申请号:US22972827
申请日:1927-10-29
Applicant: GEN ELECTRIC
Inventor: KINGDON KENNETH H , LEWI TONKS
IPC: H01J1/18
CPC classification number: H01J1/18
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公开(公告)号:US1839926A
公开(公告)日:1932-01-05
申请号:US507325
申请日:1925-01-27
Applicant: WESTINGHOUSE ELECTRIC & MFG CO
Inventor: MOUROMTSEFF ILIA E
IPC: H01J1/18
CPC classification number: H01J1/18
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公开(公告)号:US1780033A
公开(公告)日:1930-10-28
申请号:US17486327
申请日:1927-03-12
Applicant: GEN ELECTRIC
Inventor: NOLTE HENRY J , RELYEA WALTER I
IPC: H01J1/18
CPC classification number: H01J1/18 , Y10T403/7129
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公开(公告)号:US1719852A
公开(公告)日:1929-07-09
申请号:US19638127
申请日:1927-06-03
Applicant: GEN ELECTRIC
Inventor: RELYEA WALTER I
IPC: H01J1/18
CPC classification number: H01J1/18 , Y10T403/34 , Y10T403/43
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公开(公告)号:US1662032A
公开(公告)日:1928-03-06
申请号:US74268324
申请日:1924-10-09
Applicant: GEN ELECTRIC
Inventor: MULLANEY DUDLEY A
IPC: H01J1/18
CPC classification number: H01J1/18
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公开(公告)号:US1657221A
公开(公告)日:1928-01-24
申请号:US1758025
申请日:1925-03-23
Applicant: MAGNAVOX CO
Inventor: METCALF HERBERT E , FORD GREAVES VALENTINE
IPC: H01J1/18
CPC classification number: H01J1/18
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