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公开(公告)号:KR100733844B1
公开(公告)日:2007-06-29
申请号:KR1020060026187
申请日:2006-03-22
Applicant: 성균관대학교산학협력단
Inventor: 염근영 , 박상덕 , 오창권
IPC: H05H1/34