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公开(公告)号：US3355550A
公开(公告)日：1967-11-28
申请号：US48608565
申请日：1965-09-09
Applicant: IBM
Inventor： JEAN LEMIERE , MICHAEL MELAS CONSTANTIN
IPC: H04L20060101 , H04L7/02 , H04L7/033 , H04L25/48 , H04L25/497
CPC classification number: H04L7/033 , H04L7/02 , H04L25/497
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