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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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