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公开(公告)号：KR101950852B1
公开(公告)日：2019-02-21
申请号：KR1020170166302
申请日：2017-12-06
Applicant: 서울과학기술대학교 산학협력단
IPC: H04N21/239 , H04N21/218 , H04N21/236 , H04N21/2368
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