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公开(公告)号：US1904154A
公开(公告)日：1933-04-18
申请号：US23620127
申请日：1927-11-28
Applicant: FLEXLUME CORP
Inventor： MADINE JOHN J
IPC: H01J17/06
CPC classification number: H01J17/066 , H01J2893/0066 , Y10T428/294
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