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发明名称
IMPELLER ASSEMBLY AND METHOD OF USING SAME
摘要
申请公布号
EP2262679(A1)
申请公布日期
2010.12.22
申请号
EP20080733052
申请日期
2008.04.01
申请人
TENNANT COMPANY;WYDRA, LARRY D.
发明人
WYDRA, LARRY, DAVID
分类号
B63H1/20
主分类号
B63H1/20
代理机构
代理人
主权项
地址
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