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| Number | Title | Issue Date |
| 5704174 | Prefabricated industrial floor A prefabricated industrial floor for forming a multi-storey prefabricated structure consisting of an interlocking node frame with a capital totally contained within the floor thickness (19), formed from a plurality of tile elements (11) arranged side by s... | 01/06/1998 |
| 5687511 | Prefabricated tile with a plurality of light diffusion sites for realizing building roofings A prefabricated tile for covering building roofings comprises a plurality of side-by-side light diffusion sites (13) defined by openings (15) provided through a lower flat slab (11) of said tile. From said lower flat slab (11) mutually opposite side walls... | 11/18/1997 |
| 5653067 | Roofing system comprising tiles alternating with roofing beam members A roofing system for industrial buildings is based on a plurality of self-supporting tiles (10), prefabricated from reinforced concrete, having a generally "V"-shaped cross-section, wherein the wings (11) of the "V"-shaped cross-section extend from a long... | 08/05/1997 |
