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发明名称
A BARRIER FOR PREVENTING A RAT FROM ENTERING A SEWAGE PIPE
摘要
申请公布号
EP1485541(A1)
申请公布日期
2004.12.15
申请号
EP20030704335
申请日期
2003.02.13
申请人
KRAGH, ERNST;JENSEN, TORBEN
发明人
KRAGH, ERNST;JENSEN, TORBEN
分类号
E03F7/06;(IPC1-7):E03F7/06
主分类号
E03F7/06
代理机构
代理人
主权项
地址
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