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公开(公告)号:US3035204A
公开(公告)日:1962-05-15
申请号:US3100560
申请日:1960-05-23
Applicant: ASEA AB
Inventor: CHARLES DILLON , GUNNAR ENGSTROM
IPC: H01J17/42
CPC classification number: H01J17/42
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公开(公告)号:US3014157A
公开(公告)日:1961-12-19
申请号:US3100660
申请日:1960-05-23
Applicant: ASEA AB
Inventor: CHARLES DILLON , GUNNAR ENGSTROM
IPC: H01J13/02
CPC classification number: H01J13/02 , H01J2893/0073
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