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公开(公告)号：KR102149610B1
公开(公告)日：2020-08-28
申请号：KR1020190104676
申请日：2019-08-26
Applicant: 한국교통대학교산학협력단
IPC: H04L25/02 , H04L27/26 , H04L25/03 , H04B17/309
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