| 摘要 |
Frame for publicity and similar panels, of the type which has means for the housing and fixing of a replaceable publicity panel and in which the sides have workable covers, characterised in that each of its sides comprises a single section whose nucleus is provided with a deep straight groove which extends along its whole length, destined to accept related projections for the external attachment of the frame and the ends of said sections end in straight cuts which attach to the sides of corner parts which make up the corners of the frame and which are provided with straight pins destined to coincide with the grooves in the sections constituting the sides of the frame. <IMAGE>
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