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E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
E02B8/02—Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
E02B8/023—Arresting devices for waterborne materials
E02B8/026—Cleaning devices
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FR1056790D1950-10-121951-09-06Perfectionnements aux dispositifs racleurs pour le nettoyage de grilles d'installations hydrauliques
ExpiredFR1056790A
(fr)