| 摘要 |
<p>The pallet has mountings with shutters pivoted in them via spindles. The shutters can also be lifted in guides fitted to the mountings. The guides are in the form of pockets which project from one of the mounting walls. The pocket is pressed out so that there is an external traverse of the mounting sheet. The sheet from which the pocket is pressed is uninterrupted except for the opening in the pocket.</p> |
