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公开(公告)号:KR102020773B1
公开(公告)日:2019-11-04
申请号:KR1020190039483
申请日:2019-04-04
Applicant: 미디어젠(주)
Inventor: 이충재 , 이창재 , 송민규
IPC: H04N21/439 , G10L15/01 , G10L15/26