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ABIN HUETO JESUS
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ABIN HUETO JESUS
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Priority to ES0252722ApriorityCriticalpatent/ES252722A1/en
Publication of ES252722A1publicationCriticalpatent/ES252722A1/en
Portable machine for sandblasting characterized by the coupling of a central shaft that is driven directly and in the direction of rotation by means of a lever. This shaft has two holes in its upper part to produce a vacuum and another in the lower end and at the same time in its inner end is introduced into a valve which also has two holes in a single direction but exactly coinciding with the holes in the central shaft. (Machine-translation by Google Translate, not legally binding)
ES0252722A1959-10-171959-10-17A portable sand machine (Machine-translation by Google Translate, not legally binding)
ExpiredES252722A1
(en)
A coupling device, by means of levers, to connect a rotary driving member with a rotary driven member (Machine-translation by Google Translate, not legally binding)
Lottery drum with its corresponding support, built with wooden or wicker rods, provided with a special mechanism to extract the balls one by one. (Machine-translation by Google Translate, not legally binding)