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Priority to ES1972176526UpriorityCriticalpatent/ES176526Y/en
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Publication of ES176526YpublicationCriticalpatent/ES176526Y/en
Cleaner-spark plugs, perfected, characterized because in the hollow enclosure, created by a tank and a bed that closes it, two tubes stop; one of them communicates on the one hand with a connecting element, connected to a pressurized air duct and provided with a suitable valve, and on the other hand terminates, through a nozzle or narrowing, in a small chamber of said head, in which a nozzle with a frustoconical cavity is disposed in its lower part. (Machine-translation by Google Translate, not legally binding)