发明名称 |
Soil penetration resistance meter comprises electric constant penetration speed precision system with potentiometric sensor |
摘要 |
A soil penetration resistance meter comprises an electric constant penetration speed rapid system. A load cell and a potentiometric sensor record the force required to drive the conical penetration element into the soil.
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申请公布号 |
ES2184536(A1) |
申请公布日期 |
2003.04.01 |
申请号 |
ES19990001554 |
申请日期 |
1999.07.12 |
申请人 |
UNIVERSIDAD DE ALMERIA |
发明人 |
VALERA MARTINEZ DIEGO LUIS;GIL RIBES JESUS;AGUERA VEGA JUAN |
分类号 |
E21B15/00;G01N33/24;(IPC1-7):G01N33/24 |
主分类号 |
E21B15/00 |
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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