| 摘要 |
<p>An automatic device of numerical control for drawing articles at a high velocity and in an exact form, having a drawing means and paper, wherein the drawings are produced by the combination of two particular movements, one of said movements is effected by the paper (movement along the X axis) and the other movement is realised by the drawing means (movement along the Y axis), having a roll for feeding the paper and another roll for collecting the paper through digitally controlled paper undulations.</p> |
