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公开(公告)号:US3168670A
公开(公告)日:1965-02-02
申请号:US9780361
申请日:1961-03-23
Applicant: GEN ELECTRIC
Inventor: LEVAND JR VICTOR A
IPC: H01K1/24
CPC classification number: H01K1/24
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公开(公告)号:US3211511A
公开(公告)日:1965-10-12
申请号:US25493463
申请日:1963-01-30
Applicant: GEN ELECTRIC
Inventor: LEVAND JR VICTOR A
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公开(公告)号:US2653417A
公开(公告)日:1953-09-29
申请号:US31109252
申请日:1952-09-23
Applicant: GEN ELECTRIC
Inventor: BECHARD CONRAD E , LEVAND JR VICTOR A
IPC: H01J5/24
CPC classification number: H01J5/24 , H01J2893/0039
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