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发明名称
DRAIN CONSTRUCTIONS
摘要
申请公布号
EP0167384(A3)
申请公布日期
1986.11.26
申请号
EP19850304690
申请日期
1985.07.01
申请人
SELFLEVEL COVERS AKTIENGESELLSCHAFT
发明人
FERNS, DEREK
分类号
E01C11/22;(IPC1-7):E01C11/22
主分类号
E01C11/22
代理机构
代理人
主权项
地址
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