| 申请日期 | 2025-06-26 | 申请号 | ES9901885 |
| 公开（公告）号 | ES2234339B1 | 公开（公告）日 | 2006-10-16 |
| 公开国别 | ES | 申请人省市代码 | 全国 |
| 申请人 | DIEZ VELASCO JOSE MARIA | ||
| 简介 | The method involves providing a grate together with an arm in a work system, where the arm is composed of an extirpator and adopts a curvilinear form of trapezial prism in a terminal portion. The terminal portion is bevelled in an internal superior part that allows sliding of a pin. The grate is leaned to the arm by screws, which allows forces of cohesion of a metal to resist efforts in cleaved function of Earth. | ||
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