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公开(公告)号：IT1293460B1
公开(公告)日：1999-03-01
申请号：ITTO970647
申请日：1997-07-17
Applicant: CSELT CENTRO STUDI LAB TELECOM
Inventor： BURZIO MARCO , RICCHIUTO SAVERIO
IPC: H04B20060101
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