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Individual
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Individual
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Priority to ES0033507UpriorityCriticalpatent/ES33507U/en
Publication of ES33507UpublicationCriticalpatent/ES33507U/en
A silencer for exhaust gases, characterized by the fact that, between the inner wall of the outer cylinder and the perforated wall of the central tube, a sheet of sheet metal in the form of a helix extends, in which it may or may not be progressive or varied as well as the inclination of the propeller with respect to the surface of the core tube. (Machine-translation by Google Translate, not legally binding)
ES0033507U1952-11-211952-11-21A silence for exhaust (Machine-translation by Google Translate, not legally binding)
PendingES33507U
(en)