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发明名称
DRAINAGE MATERIAL AND DRAINAGE CORE FOR A DRAINAGE SYSTEM
摘要
申请公布号
EP0278605(B1)
申请公布日期
1992.09.09
申请号
EP19880300469
申请日期
1988.01.20
申请人
NETLON LIMITED
发明人
MARTIN, KEITH FRASER
分类号
E02B11/00;E02D3/10;E02D31/02
主分类号
E02B11/00
代理机构
代理人
主权项
地址
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