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公开(公告)号：US3151635A
公开(公告)日：1964-10-06
申请号：US6855460
申请日：1960-11-10
Applicant: RCA CORP
Inventor： HARVEY LEVINE
CPC classification number: B21F35/00 , H01J9/10 , H01K3/04 , Y10T83/543
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公开(公告)号：US3151637A
公开(公告)日：1964-10-06
申请号：US5900560
申请日：1960-09-28
Applicant: RCA CORP
Inventor： HARVEY LEVINE
CPC classification number: H01J9/10 , H01J19/00 , H01J2893/0026
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