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公开(公告)号:KR102094493B1
公开(公告)日:2020-03-27
申请号:KR1020180121950
申请日:2018-10-12
Applicant: 충남대학교산학협력단
Inventor: 성민규 , 강준모 , 김세현 , 김상형
IPC: H04M1/04 , H04M1/725