| 摘要 |
<p>The drilling column comprises an upright tube with a baseplate and a clamp fixture for a dip tube. The dip tube has an accommodation for a support lever. Remote operation is provided, comprising a hand lever, Bowden cable and switch operation. A thrust tube is provided with its accommodation as are fixture points for switch operation and a drilling machine. Further components comprise a support tube and a drill dust catchment device (15).</p> |
