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公开(公告)号:KR102132471B1
公开(公告)日:2020-07-09
申请号:KR1020180127446
申请日:2018-10-24
Applicant: 숙명여자대학교산학협력단
Inventor: 이한길 , 김병권 , 김연우
IPC: C01G30/02