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公开(公告)号:US2097302A
公开(公告)日:1937-10-26
申请号:US11438436
申请日:1936-12-05
Applicant: TELEFUNKEN GMBH
Inventor: GERHARD PASSARGE
IPC: H01J1/20
CPC classification number: H01J1/20
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公开(公告)号:US2099531A
公开(公告)日:1937-11-16
申请号:US11438536
申请日:1936-12-05
Applicant: TELEFUNKEN GMBH
Inventor: GERHARD PASSARGE
IPC: H01J19/34
CPC classification number: H01J19/34 , H01J2893/0004 , Y10S220/918
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