发明名称 Percolation testing method and apparatus
摘要 Apparatus for automatically recording the rate of fluid absorption of the soil includes three subsystems which may be easily assembled on site. During a test procedure the rate of descent of a float is recorded on a tape by a timer controlled marker.
申请公布号 US4341110(A) 申请公布日期 1982.07.27
申请号 US19800161139 申请日期 1980.06.19
申请人 BLOCK, PHILIP M. 发明人 BLOCK, PHILIP M.
分类号 G01N15/08;(IPC1-7):G01N15/08 主分类号 G01N15/08
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