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公开(公告)号:KR102137202B1
公开(公告)日:2020-07-23
申请号:KR1020180158526
申请日:2018-12-10
Applicant: 조선대학교산학협력단
Inventor: 김태규 , 김진철 , 조영민
IPC: B64G1/26 , F02K9/60
公开(公告)号:KR101981691B1
公开(公告)日:2019-05-23
申请号:KR1020170145763
申请日:2017-11-03
Inventor: 김태규 , 김진철 , 박길수
IPC: C01B3/06 , B63G9/02