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公开(公告)号:KR2019860004149U
公开(公告)日:1986-04-25
申请号:KR2019840009021
申请日:1984-09-14
Applicant: 정연훈 , 박하근 , 배정한
Inventor: 정연훈 , 박하근 , 배정한
IPC: H02M1/00