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Individual
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Individual
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Priority to ES0003449UpriorityCriticalpatent/ES3449U/es
Publication of ES3449UpublicationCriticalpatent/ES3449U/es
Specific Sealing Or Ventilating Devices For Doors And Windows
(AREA)
Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units
(AREA)
Abstract
La habilitación en las cuatro piezas de que consta el marco de la puerta y en toda su longitud de unas perforaciones que hacen las veces de válvulas de aireación.
ES0003449U1935-02-211935-02-21Puertas de madera indeformables
PendingES3449U
(es)