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Priority to ES0193545ApriorityCriticalpatent/ES193545A2/es
Publication of ES193545A2publicationCriticalpatent/ES193545A2/es
Operating, Guiding And Securing Of Roll- Type Closing Members
(AREA)
Power-Operated Mechanisms For Wings
(AREA)
Abstract
Mejoras en el objeto de la Patente de Invención número 175.510 que en su esencialidad consisten en establecer el acoplamiento de la barra del mecanismo de accionamiento a mano con el eje del electromotor vertical por medio de un embrague frontal de dientes o de fricción de cualquier tipo clase y sistema.
ES0193545A1950-06-091950-06-09Un dispositivo para el accionamiento a motor de persianas y puertos enrrollables
ExpiredES193545A2
(es)
UN SISTEMA DE CONSTRUCCIoN DE PISOS POR MEDIO DE FORJADOS CENTRIFUGADOS DE RESISTENCIA INTEGRAL, CONSTITUIDOS POR ELEMENTOS CENTRIFUGADOS PREFABRICADOS QUE SOPORTAN OTROS COMPLEMENTARIOS RESISTENTES