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Priority to ES0254095ApriorityCriticalpatent/ES254095A1/en
Publication of ES254095A1publicationCriticalpatent/ES254095A1/en
Improvements in the machines for metal sawing, characterized by providing them with a double sawing system, consisting of a double blade holder that mounts two saw blades, one for sawing in the forward movement, and the other to do so in the recoil movement, said blade holder being subject to a movement of longitudinal displacement by means of a connecting rod and crank mechanism, and also a periodic movement, of vertical movement synchronized with the previous one, by means of a cam acting on it. (Machine-translation by Google Translate, not legally binding)
ES0254095A1959-12-111959-12-11Improvements in machines for sawing metals (Machine-translation by Google Translate, not legally binding)
ExpiredES254095A1
(en)
A process for the pretraction of a catalyst comprising a dispersion of metal sodium in an anhydro potassium compound. (Machine-translation by Google Translate, not legally binding)