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Priority to ES0258751ApriorityCriticalpatent/ES258751A3/en
Publication of ES258751A3publicationCriticalpatent/ES258751A3/en
Improvements in the manufacture of rubber pulleys, characterized by having provided discs with a central hole for passage of the shaft, in which holes have been made on its surface, for passage of a few bundles of wire leaving the ends free of these, scattered by the pulley rubber mass. (Machine-translation by Google Translate, not legally binding)
ES0258751A1960-06-081960-06-08Improvements in the manufacture of rubber pulleys (Machine-translation by Google Translate, not legally binding)
ExpiredES258751A3
(en)
An apparatus to improve wire tension in the construction of precompriment concrete elements (Machine-translation by Google Translate, not legally binding)