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公开(公告)号：US2278844A
公开(公告)日：1942-04-07
申请号：US35639040
申请日：1940-09-11
Applicant: GEN ELECTRIC
Inventor： JAMES FRANCIS VICTOR , HULBERT WILSON GEORGE
IPC: H01J61/52
CPC classification number: H01J61/52
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公开(公告)号：US2177712A
公开(公告)日：1939-10-31
申请号：US17378237
申请日：1937-11-10
Applicant: GEN ELECTRIC
Inventor： GRAINGER JENKINS HENRY , WALTER RYDE JOHN , HULBERT WILSON GEORGE
IPC: C09K11/02
CPC classification number: C09K11/025
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