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ROYO VIDAL ISMAEL LUIS
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ROYO VIDAL ISMAEL LUIS
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Application filed by ROYO VIDAL ISMAEL LUISfiledCriticalROYO VIDAL ISMAEL LUIS
Priority to ES0258721ApriorityCriticalpatent/ES258721A2/es
Publication of ES258721A2publicationCriticalpatent/ES258721A2/es
Mejoras introducidas en el objeto de la patente de invención núm. 257.417, caracterizadas por establecerse un dispositivo de arrastre a base de una cinta flexible de eslabones en la que cada eslabón lleva en su extremo una superficie de arrastre, estando estos eslabones articulados entre sí por un eje que une cada par consecutivo.
ES0258721A1960-06-071960-06-07Perfeccionamientos en comederos automaticos para aves y animales domesticos
ExpiredES258721A2
(es)