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公开(公告)号：US3298083A
公开(公告)日：1967-01-17
申请号：US33533764
申请日：1964-01-02
Applicant: RCA CORP
Inventor： KELLY THOMAS J
IPC: H01J3/02
CPC classification number: H01J3/027 , Y10T29/49865
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