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公开(公告)号:KR102264242B1
公开(公告)日:2021-06-10
申请号:KR1020190064096
申请日:2019-05-30
Applicant: 정연학 , 박정욱
Inventor: 정연학 , 정혜진 , 김영민 , 박정욱
IPC: B05D5/08 , B05D1/18 , B05D3/02