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Individual
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Priority to ES0076568UpriorityCriticalpatent/ES76568Y/en
Publication of ES76568UpublicationCriticalpatent/ES76568U/en
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Publication of ES76568YpublicationCriticalpatent/ES76568Y/en
Fuel saving apparatus, characterized by being; It consists of an adjustable air inlet that, passing through chambers, arranged from top to bottom and separated by corrective screens, comes completely cold to the chimney through nozzles that serve it in small parallel sleeves that tripping over the inner wall of the duct are correctly diffused to form a mass of cold air of a uniform thickness that gets in the hot air draft momentarily interrupting its circulation. (Machine-translation by Google Translate, not legally binding)