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公开(公告)号:KR102038568B1
公开(公告)日:2019-10-31
申请号:KR1020170121020
申请日:2017-09-20
Applicant: 주식회사트레디오
Inventor: 김정준 , 채범석 , 장은평
IPC: G06F21/82 , G06F21/60 , G06F21/71