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1.发明专利
公开(公告)号：DE3374254D1
公开(公告)日：1987-12-03
申请号：DE3374254
申请日：1983-11-03
Applicant: IBM
Inventor： ASKIN HALUK O , HO BRYANT K , RABBAT GUY
IPC: H03M5/16 , H03K19/018 , H03K19/20 , H04L25/49 , H03K19/092
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