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发明名称
A DRAINAGE FOR WATERWORKS
摘要
申请公布号
KR200165003(Y1)
申请公布日期
2000.01.15
申请号
KR19970029983U
申请日期
1997.10.22
申请人
JUNG, JONG HAN
发明人
JUNG, JONG HAN
分类号
E03C1/00;(IPC1-7):E03C1/00
主分类号
E03C1/00
代理机构
代理人
主权项
地址
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