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Stauwerke A G
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Stauwerke A G
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Application filed by Stauwerke A GfiledCriticalStauwerke A G
Priority to ES59602ApriorityCriticalpatent/ES59602A2/en
Publication of ES59602A2publicationCriticalpatent/ES59602A2/en
ES59602A1915-01-191915-01-19
An automatic drainage device in the course of rivers, which moves by means of the pressure of the water.
ExpiredES59602A2
(en)
The procedure called "Volta watertight compartment system" for the installation of machinery for lifting water in irrigation wells, located below the highest water level.