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公开(公告)号:KR102068527B1
公开(公告)日:2020-01-21
申请号:KR1020180089287
申请日:2018-07-31
Applicant: 한국생산기술연구원
Inventor: 이윤선 , 성지현 , 김대혁
IPC: B23P15/00 , B23P11/02 , C23C8/48 , B21D1/00