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发明名称
DRAINAGE DEVICE
摘要
申请公布号
KR870001515(Y1)
申请公布日期
1987.04.20
申请号
KR19840012615U
申请日期
1984.12.04
申请人
HAN CHANG-HUI
发明人
HAN CHANG-HUI
分类号
E02B11/00;E02B13/00;(IPC1-7):E02B11/00
主分类号
E02B11/00
代理机构
代理人
主权项
地址
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