| 发明名称 |
Land marks. |
| 摘要 |
<p>1. Device for locking the relative position of the head of a marker along anchoring stake, characterized in that it comprises a diaphragm (9) of rigid material having a certain elasticity, provided with a central bore (10) whereof the diameter is less than that of the stake (2) and radial cuts defining sectors (11) mutually connected by the periphery of the diaphragm.</p> |
| 申请公布号 |
EP0272360(A1) |
申请公布日期 |
1988.06.29 |
| 申请号 |
EP19860402919 |
申请日期 |
1986.12.23 |
| 申请人 |
THEVENIN, PATRICK D.;GISSINGER, BERNARD C.;THEVENIN, STEPHANE J. |
发明人 |
THEVENIN, PATRICK D. |
| 分类号 |
G01C15/04;(IPC1-7):G01C15/04 |
主分类号 |
G01C15/04 |
| 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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