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公开(公告)号：KR102063778B1
公开(公告)日：2020-01-09
申请号：KR1020180064620
申请日：2018-06-05
Applicant: 고려대학교 산학협력단
IPC: C04B35/547 , C04B35/645 , C04B35/63 , C04B35/626
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