ES161618A2 - Perfeccionamientos en la armadura comprimida para estructuras a base de cemento , ladrillo, mixtas y análogas, objeto de la patente principal
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Perfeccionamientos en la armadura comprimida para estructuras a base de cemento , ladrillo, mixtas y análogas, objeto de la patente principal
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ES161618A1943-05-031943-05-03Perfeccionamientos en la armadura comprimida para estructuras a base de cemento , ladrillo, mixtas y análogas, objeto de la patente principal
ExpiredES161618A2
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Procedimiento para la fabricación de un producto encendedor de los hormigones de cemento y morteros, permitiendo a demás trabajara temperaturas de 20 grados bajo cero