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Publication of ES40238YpublicationCriticalpatent/ES40238Y/es
Un dispositivo de cierre para el embridado de piezas sueltas de los arcos de entibado en el entibado de galerías, especialmente para perfiles acanalados, caracterizado por dársele forma de caja, que se adapta al perfil exterior y al radio del arco, caja en la cual los extremos de los perfiles solapados del puntal y de la pieza de arco, son oprimidos entre sí y a la vez guiados por una tapa de cierre.
ES0040238U1954-02-031954-02-03Dispositivo de cierre para el embridado de piezas sueltas de arcos de entibado de galerías de minas
ExpiredES40238Y
(es)