Improved board for the construction of demountable structures, essentially characterized in that it is constituted by a molded body, advantageously of rectangular contour, with its flat front and provided with curved-retracting vertices for fitting the columns, the back of said body having criss-cross ribs forming a mode of resistant grids, in which in proximity to two opposite edges there are cylindrical projections combined with as a pair of "U" bridging lugs intended to receive the coupling by lateral displacement of lateral teeth provided in the base of a clamp, likewise molded, ending in an arched arm intended to settle on the tubular elements that make up a construction by elements, such as a shelf, in which the molded body acts as a shelf or dividing wall. (Machine-translation by Google Translate, not legally binding)
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