发明名称 |
DRILLING MACHINE AND METHOD |
摘要 |
The present disclosure provides a machine capable of drilling into the ground at a wide range of angles relative to the ground surface. The present disclosure also provides novel drilling methods. |
申请公布号 |
US2014144707(A1) |
申请公布日期 |
2014.05.29 |
申请号 |
US201414168236 |
申请日期 |
2014.01.30 |
申请人 |
VERMEER MANUFACTURING COMPANY |
发明人 |
HARTKE LOUIS C.;HACKMAN DAVID J.;GUSTAFSON DANIEL L.;BARTELS CHAD A.;MILLER ORIN L.;PHILBROOK JOHN W. |
分类号 |
E21B7/00 |
主分类号 |
E21B7/00 |
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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