| 摘要 |
<p>The invention relates to a drill-and-hole detector tool consisting of at least two plates (1a and 1b) having the first plate (1a) at least three passing holes (2b) at one end, and a chimney (3) used as a drilling guide at the other end and having the second plate (1b) at least three pins (2a) at one end and a positioning rivet or stub (4) at the other end, in such a way that when the two plates (1a and 1b) are superimposed, the three passing holes (2b) of the first plate (1a) coincide with the three pins (2a) of the second plate (1b), and the chimney (3) of the first plate (1a) coincides with the positioning rivet or stub (4) of the second plate (1b).</p> |
