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公开(公告)号：KR101984178B1
公开(公告)日：2019-05-31
申请号：KR1020170147246
申请日：2017-11-07
Applicant: 서울대학교산학협력단
IPC: H04N21/488 , H04N21/43 , H04N21/8547
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