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公开(公告)号：KR830002525B1
公开(公告)日：1983-11-07
申请号：KR800004018
申请日：1980-10-17
Applicant: SONY CORP
Inventor： TANAKA MASHATO , LWAMOTO IKUO , HURUKAWA SYUNSUKE , TOI TOSHITATA
IPC: H04L1/10
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