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Priority to ES0197979UpriorityCriticalpatent/ES197979U/en
Publication of ES197979UpublicationCriticalpatent/ES197979U/en
Structures Of Non-Positive Displacement Pumps
(AREA)
Abstract
Improvements in the construction of propellers, especially for ships, with at least two cubes, arranged on the same axis, in each case with at least one blade, each of which is joined in one piece with a cube, characterized by that the blades of several cubes, in each case in an outer area of the blade, together form the configuration of a blade with blade tips located in a plane. (Machine-translation by Google Translate, not legally binding)
ES0197979U1971-05-271971-05-27Propeller construction improvements (Machine-translation by Google Translate, not legally binding)
PendingES197979U
(en)
Improvements introduced in the manufacture of turbine pallet for autonomous air extractors (Machine-translation by Google Translate, not legally binding)