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Horsa S A
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Horsa S A
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Priority to ES1973190365UpriorityCriticalpatent/ES190365Y/en
Publication of ES190365UpublicationCriticalpatent/ES190365U/en
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Publication of ES190365YpublicationCriticalpatent/ES190365Y/en
Resistant structure for stairs, characterized in that it consists of prefabricated sections of ramp and landing, composed of juxtaposed joists of substantially rectangular section, with greater width than height, at the ends of which have a head with recess for the respective coupling and support in the landings, these landings being composed of joists analogous to those mentioned, which serve as formwork and resistant element for the tractions to be supported, the staircase being completed by a compression layer, formed by concrete poured on site, which covers the stretches of ramp and landing, and the mentioned landings, so that the unión between said ramp sections and landings, is made in mutual surface continuity of the lower face of both. (Machine-translation by Google Translate, not legally binding)
ES1973190365U1973-04-061973-04-06
RESISTANT STRUCTURE FOR LADDER.
ExpiredES190365Y
(en)
Prefabricated heat insulated flooring system - comprising corrugated base insulated shutters and reinforced concrete beams with infill slab to eliminate thermal bridges
DISCONTINUOUS ROOFING SYSTEM FOR INCLINED CONVERSE INTENDED AS SIDE INTERSECTION OF TWO CONTIGUOUS COVERING SURFACES OR SLABS ADAPTABLE TO VARIABLE SLOPES OF THE SLOPES MADE UP OF 3 ELEMENTS MANUFACTURED WITH A SAND AND CONCRETE MIXTURE