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Priority to ES0228779ApriorityCriticalpatent/ES228779A2/en
Publication of ES228779A2publicationCriticalpatent/ES228779A2/en
Improvements in the object of the main patent no. 227,511 by the system of reservoir of snow, characterized essentially because it temporarily hinders the exit of the waters in the tunnel of a snow dam and produces a concentration of mass of water that is put in contact with the snow accelerating its liquefaction, with exit through the permeable parts of the dam and the permeable part of the same tunnel. (Machine-translation by Google Translate, not legally binding)
ES0228779A1956-05-281956-05-28Snow packing system (Machine-translation by Google Translate, not legally binding)
ExpiredES228779A2
(en)
New model of prefabricated element of reinforced concrete or in mass to build liquid conduits (Machine-translation by Google Translate, not legally binding)