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Priority to ES0336143ApriorityCriticalpatent/ES336143A1/es
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ES0336143A1967-01-211967-01-21Perfeccionamientos en la fabricacion de piezas de mortero u hormigon de cemento conseguidas con maquinas automaticas.
ExpiredES336143A1
(es)
Dispositivo para la obtencion de piezas de hormigon con vi-drio incorporado, aplicable a maquinas para la fabricacion de piezas prefabricadas de hormigon.
Metodo de fabricacion de piezas moldeadas a base de cementou hormigon, utilizando moldes perdidos, que quedan incorpo- rados a la pieza como embalaje protector.