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公开(公告)号:US2974232A
公开(公告)日:1961-03-07
申请号:US62504856
申请日:1956-11-29
Applicant: TUNG SOL ELECTRIC INC
Inventor: WILBERT MINOWITZ
IPC: H01J47/02
CPC classification number: H01J47/022
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公开(公告)号:US3004165A
公开(公告)日:1961-10-10
申请号:US73097058
申请日:1958-04-25
Applicant: TUNG SOL ELECTRIC INC
Inventor: WILBERT MINOWITZ , ROTH FRED E
IPC: H01J47/02
CPC classification number: H01J47/02
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公开(公告)号:US2975288A
公开(公告)日:1961-03-14
申请号:US72057258
申请日:1958-03-11
Applicant: TUNG SOL ELECTRIC INC
Inventor: WILBERT MINOWITZ , GRIMM JOHN F
CPC classification number: H01J47/02 , G01T1/185 , H01J17/325
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