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发明名称
DRAINAGE DEVICES
摘要
申请公布号
KR970003927(Y1)
申请公布日期
1997.04.24
申请号
KR19940004295U
申请日期
1994.03.07
申请人
OH, JOO-HOON
发明人
OH, JOO-HOON
分类号
E03C1/122;E03F3/04;(IPC1-7):E03C1/122
主分类号
E03C1/122
代理机构
代理人
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地址
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