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Priority to ES113483UpriorityCriticalpatent/ES113483Y/en
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Publication of ES113483YpublicationCriticalpatent/ES113483Y/en
Cleaning device essentially characterized by being constituted by a helical rod carrying an end brush which rod moves axially inside a cylinder under a reciprocating rotary movement when the resistance of a spring combined with the first one is overcome as a function of a thrust exerted on the aforementioned brush. (Machine-translation by Google Translate, not legally binding)