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公开(公告)号:KR2019860003259U
公开(公告)日:1986-04-18
申请号:KR2019840009312
申请日:1984-09-19
Applicant: 대한민국(농촌진흥청장)
Inventor: 박환중 , 정두호 , 이동현
IPC: A01D34/00