| 摘要 |
<p>The invention concerns a positioning, operating and/or exploring device comprising two mounts (6a 6d, 7) and at least a cable (20) extending from one to the other mount (6a 6d, 7); it includes at least two bellows (10) directly fixed each to the two base plates and means (12, 18) for modifying fluid pressure in each of the two bellows independently of the one or the other bellows.</p> |
