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公开(公告)号:KR200036828Y1
公开(公告)日:1988-04-28
申请号:KR2019850002386
申请日:1985-03-11
Applicant: 박형근
Inventor: 박형근
IPC: D03D47/00
公开(公告)号:KR2019870010289U
公开(公告)日:1987-07-10
申请号:KR2019850017977
申请日:1985-12-30
IPC: E03D3/12
公开(公告)号:KR2019850008859U
公开(公告)日:1985-11-25
申请号:KR2019840003178
申请日:1984-04-09
IPC: F02M35/02