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公开(公告)号:KR102038398B1
公开(公告)日:2019-10-31
申请号:KR1020170174826
申请日:2017-12-19
Applicant: 전자부품연구원
Inventor: 황정훈 , 김태근 , 박종범 , 양정모 , 원건
IPC: G09B9/00 , G09B23/30