Saved successfully
Save failed
Saved Successfully
Save Failed
公开(公告)号:KR102101332B1
公开(公告)日:2020-04-16
申请号:KR1020190126087
申请日:2019-10-11
Applicant: 박민식
Inventor: 박민식 , 김동관 , 고병권 , 김규섭
IPC: G07C9/00 , G06K19/06