| 摘要 |
<p>The spreader apparatus according to the invention for door-frame installation contains a tube 2, with a fixable rod 3 movable therein, and a U-shaped profile 8 which comprises one or more parts and of which one leg 11a engages in the frame 6 and the other leg 10a has a bore through which a screw 12 is screwed, said screw having a supporting element 13 at its front end. <IMAGE></p> |
