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公开(公告)号:US2216209A
公开(公告)日:1940-10-01
申请号:US17909437
申请日:1937-12-10
Applicant: ARTHUR MUTSCHELLER
Inventor: ARTHUR MUTSCHELLER
IPC: H01J21/20
CPC classification number: H01J21/20 , H01J2893/003
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公开(公告)号:US2203221A
公开(公告)日:1940-06-04
申请号:US18950838
申请日:1938-02-09
Applicant: RCA CORP
CPC classification number: H01J21/02 , H01J21/20 , H01J2893/003
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公开(公告)号:US2201880A
公开(公告)日:1940-05-21
申请号:US15587237
申请日:1937-07-27
Applicant: BELL TELEPHONE LABOR INC
Inventor: EDMOND BRUCE
CPC classification number: H01J21/065 , H01J21/20 , H01J2893/003
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公开(公告)号:US2163244A
公开(公告)日:1939-06-20
申请号:US8814136
申请日:1936-06-30
Applicant: BELL TELEPHONE LABOR INC
Inventor: KIRCHER REYMOND J
CPC classification number: H03F1/16 , H01J19/82 , H01J21/20 , H01J2893/003 , H03B9/01
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公开(公告)号:US2112136A
公开(公告)日:1938-03-22
申请号:US13043837
申请日:1937-03-12
Applicant: PHILIPS NV
Inventor: GERARD BOUMEESTER HUIBERT , KLAAS POSTHUMUS
IPC: H01J21/20
CPC classification number: H01J21/20 , H01J2893/003
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公开(公告)号:USRE20602E
公开(公告)日:1937-12-21
申请号:US20602D
IPC: H01J21/20
CPC classification number: H01J21/20 , H01J2893/003
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公开(公告)号:US2073078A
公开(公告)日:1937-03-09
申请号:US65849333
申请日:1933-02-25
Applicant: RCA CORP
Inventor: SMITH JEROME C
CPC classification number: H04B1/163 , H01J21/20 , H01J2893/003
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公开(公告)号:US2054452A
公开(公告)日:1936-09-15
申请号:US73299134
申请日:1934-06-29
Applicant: TELEFUNKEN GMBH
Inventor: KARL STEIMEL
CPC classification number: H03D7/10 , H01J21/20 , H01J2893/003
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公开(公告)号:US2024736A
公开(公告)日:1935-12-17
申请号:US67567333
申请日:1933-06-14
Applicant: LOEWE OPTA GMBH
Inventor: PAUL KAPTEYN
IPC: H01J21/20
CPC classification number: H01J21/20 , H01J2893/003
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公开(公告)号:US1980596A
公开(公告)日:1934-11-13
申请号:US52177931
申请日:1931-03-11
Applicant: HYGRADE SYLVANIA CORP
Inventor: POOR WALTER E
IPC: H01J21/20
CPC classification number: H01J21/20 , H01J2893/003
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