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发明名称
Drainage tile
摘要
申请公布号
GB2145753(A)
申请公布日期
1985.04.03
申请号
GB19830023366
申请日期
1983.08.31
申请人
DUNCAN * MACKENZIE
发明人
DUNCAN * MACKENZIE
分类号
E02B11/00;(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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