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公开(公告)号:KR200105117Y1
公开(公告)日:1997-05-02
申请号:KR2019930024552
申请日:1993-11-20
Applicant: 여정구
Inventor: 여홍구
IPC: F04F10/00
公开(公告)号:KR2019970000923Y1
公开(公告)日:1997-02-13
Abstract: 내용없음.
公开(公告)号:KR2019950014676U
公开(公告)日:1995-06-17