| 摘要 |
<p>The device is characterized in that it is substantially comprised of two means (1 and 2), each applicable by one extremity to a corresponding extremity of a length (3) to be measured, and of a means (4) for determining the spacing between the extremities of said means (1 and 2) and therefore the length (3) to be measured, the means (4) being mounted on one (1) of said means (1 and 2). The invention is more particularly applicable to measuring in the builidng industry.</p> |
