| 摘要 |
<p>A fluid control device for the selective control of at least one group of three movable members each displaceable between a first working position and a second working position, and each having a rest position intermediate between the first and the second working position includes, for each group of three movable members, a group of three hydraulic control units, each control unit being intended to control a respective movable member, and control means for controlling the feeding of a fluid under pressure coming from a feed source to each of the three feed ducts of each group of three control units.</p> |
