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公开(公告)号：US2837870A
公开(公告)日：1958-06-10
申请号：US17020250
申请日：1950-06-24
Applicant: GEN ELECTRIC
Inventor： HARTLEY LLOYD S , HENRY JOSEPH B , MILLER JOHN W , SHAHAN WILLIAM E
IPC: H01J5/26
CPC classification number: H01J5/26 , H01J2893/0043
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