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发明名称
Pre-fabricated vortex valve unit
摘要
申请公布号
GB2405157(A)
申请公布日期
2005.02.23
申请号
GB20030019883
申请日期
2003.08.22
申请人
* HYDRO INTERNATIONAL PLC
发明人
ALEX * STEPHENSON;CHRIS * WILLIAMS
分类号
E03F5/10;(IPC1-7):E03F5/10
主分类号
E03F5/10
代理机构
代理人
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