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公开(公告)号：US2525043A
公开(公告)日：1950-10-10
申请号：US55838044
申请日：1944-10-12
Applicant: GEN ELECTRIC
Inventor： NELSON JAMES E , WILLIAM PERCY , FRANK BALNE , ARTHUR HOLMAN
IPC: H01J5/24
CPC classification number: H01J5/24 , H01J2893/0039 , Y10T279/11
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