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公开(公告)号:US2925504A
公开(公告)日:1960-02-16
申请号:US66615057
申请日:1957-06-17
Applicant: HIGH VOLTAGE ENGINEERING CORP
Inventor: CLOUD ROBERT W , TRUMP JOHN G
IPC: H01J41/20
CPC classification number: H01J41/20
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公开(公告)号:US3048720A
公开(公告)日:1962-08-07
申请号:US76125558
申请日:1958-09-15
Applicant: HIGH VOLTAGE ENGINEERING CORP
Inventor: CLOUD ROBERT W
IPC: H02N1/12
CPC classification number: H02N1/08
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