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公开(公告)号：US2845220A
公开(公告)日：1958-07-29
申请号：US29605652
申请日：1952-06-27
Applicant: RCA CORP
Inventor： BENSKY LOWELL S , HOBBS LINDER C
IPC: G06F7/02
CPC classification number: G06F7/02
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