PROPELLER DEVICE FOR LAND AND/OR MARITIME TRANSPORTATION BASED ON THE MAGNUS EFFECT

The present invention refers to a structure (1) of prefabricated staircase formwork for the manufacture of a stair section, which comprises: a first space (A) for containing a concrete pouring, which is defined by two longitudinal beam elements (11, 12) parallel therebetween, and two transversal bea...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: VAZQUEZ, FLORES, JOSE FELIX, FERNANDEZ, ROQUE, TIBURCIO
Format: Patent
Sprache:eng ; spa
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