FR1206221A - Perfectionnements apportés aux procédés et appareils pour l'évacuation de matériaux désagrégés par voie liquide, notamment pour le dragage
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Perfectionnements apportés aux procédés et appareils pour l'évacuation de matériaux désagrégés par voie liquide, notamment pour le dragage
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E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
E02F3/92—Digging elements, e.g. suction heads
E02F3/9243—Passive suction heads with no mechanical cutting means
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FR1206221D1958-05-231958-05-23Perfectionnements apportés aux procédés et appareils pour l'évacuation de matériaux désagrégés par voie liquide, notamment pour le dragage
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