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公开(公告)号:US3050651A
公开(公告)日:1962-08-21
申请号:US60780556
申请日:1956-09-04
Applicant: GEN ELECTRIC
Inventor: BEGGS JAMES E
IPC: H01J21/02
CPC classification number: H01J21/02
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公开(公告)号:US3041209A
公开(公告)日:1962-06-26
申请号:US51854855
申请日:1955-06-28
Applicant: GEN ELECTRIC
Inventor: BEGGS JAMES E
IPC: H01J9/04
CPC classification number: H01J9/04 , Y10S428/939
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公开(公告)号:US2961352A
公开(公告)日:1960-11-22
申请号:US63205457
申请日:1957-01-02
Applicant: GEN ELECTRIC
Inventor: WALTER GRATTIDGE , BEGGS JAMES E
IPC: H01C17/06
CPC classification number: H01C17/06 , Y10T29/49099
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公开(公告)号:US2792273A
公开(公告)日:1957-05-14
申请号:US40410754
申请日:1954-01-14
Applicant: GEN ELECTRIC
Inventor: BEGGS JAMES E
IPC: H01J9/04
CPC classification number: H01J9/045
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公开(公告)号:US2792271A
公开(公告)日:1957-05-14
申请号:US23779551
申请日:1951-07-20
Applicant: GEN ELECTRIC
Inventor: BEGGS JAMES E
CPC classification number: H01J21/36 , H01J5/26 , H01J9/38 , H01J2893/0041
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公开(公告)号:US2459487A
公开(公告)日:1949-01-18
申请号:US65740846
申请日:1946-03-27
Applicant: GEN ELECTRIC
Inventor: BEGGS JAMES E
IPC: H01J21/36
CPC classification number: H01J21/36
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公开(公告)号:US2445992A
公开(公告)日:1948-07-27
申请号:US50179043
申请日:1943-09-10
Applicant: GEN ELECTRIC
Inventor: BEGGS JAMES E
IPC: H01J19/80
CPC classification number: H01J19/80
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公开(公告)号:US2402119A
公开(公告)日:1946-06-18
申请号:US54885944
申请日:1944-08-10
Applicant: GEN ELECTRIC
Inventor: BEGGS JAMES E
CPC classification number: H01J21/10 , H01J19/00 , H01J2893/0022
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公开(公告)号:US2274354A
公开(公告)日:1942-02-24
申请号:US21410438
申请日:1938-06-16
Applicant: GEN ELECTRIC
Inventor: BEGGS JAMES E
CPC classification number: H01R33/7628 , H01J19/40
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公开(公告)号:US2254726A
公开(公告)日:1941-09-02
申请号:US31806140
申请日:1940-02-09
Applicant: GEN ELECTRIC
Inventor: BEGGS JAMES E
IPC: H01J19/40
CPC classification number: H01J19/40
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