发明名称 Apparatus for supporting a fluid sampling device in an opening below a manhole cover and method therefor
摘要 An apparatus and method is disclosed for supporting a fluid sampling device in an opening below a manhole cover. The apparatus contains a triangular shaped assembly of three tubular members joined together at a common juncture. At least one of the tubular members has an extending member to adapt the triangular shaped assembly to be connected beneath a manhole cover of varying sizes for different sized openings in a street.
申请公布号 US6145388(A) 申请公布日期 2000.11.14
申请号 US19980133096 申请日期 1998.08.12
申请人 COPPOLA, DANIEL D. 发明人 COPPOLA, DANIEL D.
分类号 G01N1/12;(IPC1-7):G01N1/00 主分类号 G01N1/12
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