Normalized construction element. (Machine-translation by Google Translate, not legally binding)

摘要

Standard construction element, used to make a construction composed of a multiple number of elements, joined together releasably, characterized in that the element has holes of equal size, matching, arranged at equal distances from each other, and because the elements of the construction consists, in part, of shaped parts and, in part, of flat plate pieces, the latter having two sides in the form of an angle and provided with holes arranged parallel to the sides. (Machine-translation by Google Translate, not legally binding)