发明名称 Device for automatically testing fluid absorption rates of soil
摘要 A device for the automatic determination and recordation of rates of fluid absorption in soils, including a plurality of conductive probes which are positioned at various levels with regard to a provided water level such that as the water level drops, the time to accomplish the drop is recorded. The device provides a pair of timing and time recording devices interconnected with the probes such that two individual time sequences may be recorded.
申请公布号 US4099406(A) 申请公布日期 1978.07.11
申请号 US19770774922 申请日期 1977.03.07
申请人 HAMMER INDUSTRIES INC. 发明人 FULKERSON, MELVIN A.
分类号 G01N27/06;G01N33/24;(IPC1-7):G01N5/02 主分类号 G01N27/06
代理机构 代理人
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