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Individual
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Individual
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Priority to ES0239443ApriorityCriticalpatent/ES239443A1/en
Publication of ES239443A1publicationCriticalpatent/ES239443A1/en
A wheel of continuous movement characterized by being formed by an endless chain of air chambers in submersion, joined together with convenient separation by means of straps of material and adequate strength. (Machine-translation by Google Translate, not legally binding)
ES0239443A1957-12-301957-12-30A north of continuous movement (Machine-translation by Google Translate, not legally binding)
ExpiredES239443A1
(en)