| 摘要 |
Improvements in the manufacture of frames to support publicity and informative designs. Characterised in the construction of the frame by means of a section constituting the sides of general U-shaped structure with the horizontal parallel sides and the intermediate side in a vertical arrangement constituting the rear part of the frame, one of whose parallel sides is prolonged by an upper projection in order to attach the closing cover and the lower side is prolonged, after a small square step and intermediate lip, in an end zone at right angles destined to accept the publicity panels. <IMAGE>
|
