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Structures Of Non-Positive Displacement Pumps
(AREA)
Abstract
Improvements in hydraulic centrifugal pumps, characterized by having provided a double-blade impeller with symmetrically placed blades with respect to each other, existing in front of each one of the mouths of the elementary impellers, separate independent spiral diffusers. (Machine-translation by Google Translate, not legally binding)
ES0222187A1955-06-021955-06-02Improvements in hydraulic centrifugal pumps (Machine-translation by Google Translate, not legally binding)
ExpiredES222187A1
(en)
Improvements in the construction of axial pumps and fans with sheet alps located next to the vertice of a cube of growing circular sections (Machine-translation by Google Translate, not legally binding)