发明名称 |
Probe for use in geological surveys |
摘要 |
A probe construction for use in geological surveys designed to extract earth samples at a predetermined depth. The probe consists essentially of an elongated metal body with a hollow core, the longitudinal axis of the core being at approximately 5 DEG to the longitudinal axis of the metal body. A side outlet is provided along substantially the length of the metal body. The probe is adapted for engagement with the drive rod of a hammer mill or the like machine.
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申请公布号 |
US4130170(A) |
申请公布日期 |
1978.12.19 |
申请号 |
US19770766824 |
申请日期 |
1977.02.08 |
申请人 |
BARYMIN EXPLORATIONS LIMITED |
发明人 |
HOLMAN, RONALD H. C. |
分类号 |
E02D1/04;E21B7/26;E21B10/02;E21B12/04;E21B25/00;(IPC1-7):E21B9/20 |
主分类号 |
E02D1/04 |
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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