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公开(公告)号：US2042929A
公开(公告)日：1936-06-02
申请号：US5644735
申请日：1935-12-28
Applicant: WESTINGHOUSE LAMP CO
Inventor： DINNICK GEORGE M
IPC: H01J19/28
CPC classification number: H01J19/28 , H01J2893/0013
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