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E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
E02B3/02—Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow
E02B3/023—Removing sediments
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Environmental & Geological Engineering
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Ocean & Marine Engineering
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FR32124D1926-08-051926-08-05
Device for ridding waterways of rolled pebbles, gravel and sand
ExpiredFR32124E
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