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公开(公告)号:US2879432A
公开(公告)日:1959-03-24
申请号:US57213756
申请日:1956-03-16
Applicant: GEN ELECTRIC
Inventor: SLIVKA MARION J
IPC: H01J1/26
CPC classification number: H01J1/26 , Y10T428/12069 , Y10T428/12139
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公开(公告)号:US2879429A
公开(公告)日:1959-03-24
申请号:US57225756
申请日:1956-03-19
Applicant: GEN ELECTRIC
Inventor: DE SANTIS VINCENT J , SLIVKA MARION J
IPC: H01J19/34
CPC classification number: H01J19/34 , H01J2893/0003
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公开(公告)号:US3145465A
公开(公告)日:1964-08-25
申请号:US13369561
申请日:1961-08-24
Applicant: GEN ELECTRIC
Inventor: COOLIDGE JR ARTHUR W , SLIVKA MARION J
IPC: H01J9/40
CPC classification number: H01J9/40 , Y10T29/49808
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