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公开(公告)号:US2367871A
公开(公告)日:1945-01-23
申请号:US43497842
申请日:1942-03-16
Applicant: GEN ELECTRIC
Inventor: HARRY KALSING , HERMANN KREFFT , KURT LARCHE
CPC classification number: H01J61/302 , H01J61/86
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公开(公告)号:US2212879A
公开(公告)日:1940-08-27
申请号:US22510438
申请日:1938-08-16
Applicant: GEN ELECTRIC
Inventor: HARRY KALSING , HERMANN KREFFT , FRITZ ROSSLER
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