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公开(公告)号:US2443237A
公开(公告)日:1948-06-15
申请号:US52750044
申请日:1944-03-21
Applicant: PATELHOLD PATENTVERWERTUNG
Inventor: ARTHUR GAUDENZI , OTTO SCHARLI
IPC: H01J21/08
CPC classification number: H01J21/08
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公开(公告)号:US2443021A
公开(公告)日:1948-06-08
申请号:US62795445
申请日:1945-11-10
Applicant: GEN ELECTRIC
Inventor: BENSEN IGOR B
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公开(公告)号:US2416318A
公开(公告)日:1947-02-25
申请号:US45495842
申请日:1942-08-15
Applicant: STANDARD TELEPHONES CABLES LTD
Inventor: WILLIAM HOTINE
IPC: H01J21/08
CPC classification number: H01J21/08
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公开(公告)号:US2085576A
公开(公告)日:1937-06-29
申请号:US1285335
申请日:1935-03-25
Applicant: DU MONT ALLEN B LAB INC
Inventor: DU MONT ALLEN B
IPC: H01J21/08
CPC classification number: H01J21/08 , Y10T307/872
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公开(公告)号:US2045525A
公开(公告)日:1936-06-23
申请号:US59533932
申请日:1932-02-26
Applicant: OWEN HARRIES JOHN HENRY
Inventor: OWEN HARRIES JOHN HENRY
IPC: H01J21/08
CPC classification number: H01J21/08
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公开(公告)号:US1969558A
公开(公告)日:1934-08-07
申请号:US66025033
申请日:1933-03-10
Applicant: BELL TELEPHONE LABOR INC
Inventor: IVES HERBERT E
CPC classification number: H01J40/04 , H01J21/08 , Y10T428/24545
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公开(公告)号:US1245702A
公开(公告)日:1917-11-06
申请号:US11144616
申请日:1916-07-26
Applicant: GIRARDEAU EMILE , BETHENOD JOSEPH
Inventor: GIRARDEAU EMILE , BETHENOD JOSEPH
CPC classification number: H01J21/08
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