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公开(公告)号：KR102094634B1
公开(公告)日：2020-03-27
申请号：KR1020190036178
申请日：2019-03-28
Applicant: 주식회사 삼정솔루션 , 한국산업기술대학교산학협력단
IPC: H04K3/00
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