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Application filed by Gacek AntonifiledCriticalGacek Antoni
Priority to PL30125793ApriorityCriticalpatent/PL172102B1/en
Publication of PL301257A1publicationCriticalpatent/PL301257A1/en
Publication of PL172102B1publicationCriticalpatent/PL172102B1/en
A hydro pneumatic device which operates a pump driven by an electric motor by reducing the pressure in the system, and stops the pump by reducing the required discharge.