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Priority to ES0302221ApriorityCriticalpatent/ES302221A1/en
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Structures Of Non-Positive Displacement Pumps
(AREA)
Abstract
Centrifugal pump for heating gas heaters essentially characterized by a special turbine with a centrally perforated lower neck that has the mission to suck and eject and where a direct attachment means with a shaft where two seals are threaded is inserted, to avoid packing. (Machine-translation by Google Translate, not legally binding)
ES0302221A1964-07-171964-07-17Centrifugal pump for heating gas heaters. (Machine-translation by Google Translate, not legally binding)
ExpiredES302221A1
(en)
Improvements in the construction of forced circulation boilers with various revolving pumps connected in parallel (Machine-translation by Google Translate, not legally binding)