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Individual
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Priority to ES1977231922UpriorityCriticalpatent/ES231922Y/en
Publication of ES231922UpublicationCriticalpatent/ES231922U/en
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Publication of ES231922YpublicationCriticalpatent/ES231922Y/en
Improved structure for the assembly of joists, constituted by three continuous round bars, straight and parallel that form the three edges of the prismatic volume of triangular section of the structure, inside which wings are welded the turning points of the fourth profile round bar broken, whose layout allows the connection of the three round bars, this fourth bar passing from one of the inclined bars of the prismatic shape to the other. (Machine-translation by Google Translate, not legally binding)
ES1977231922U1977-11-021977-11-02
PERFECTED STRUCTURE FOR THE ASSEMBLY OF JOISTS.
ExpiredES231922Y
(en)
IMPROVEMENTS IN APPARATUS TO CONTINUOUSLY FUSE METAL GRINDINGS, STRIPS OR BARS WITH INTEGRAL PROJECTS OF PARTIAL THICKNESS THAT ARE PROJECTED FROM THEM.