发明名称 INFLOW DISH
摘要 A two piece inflow dish assembly for installation in an enlarged manhole opening to prevent debris from entering the manhole to clog the sewer system and to permit the inflow dish assembly to be removed from the manhole in separate pieces.
申请公布号 US2013129418(A1) 申请公布日期 2013.05.23
申请号 US201213682900 申请日期 2012.11.21
申请人 WANDER LLOYD J. 发明人 WANDER LLOYD J.
分类号 E02D29/14 主分类号 E02D29/14
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