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WERF CONRAD NV
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WERF CONRAD NV
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Publication of FR500345ApublicationCriticalpatent/FR500345A/fr
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
E02F3/905—Manipulating or supporting suction pipes or ladders; Mechanical supports or floaters therefor; pipe joints for suction pipes
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Civil Engineering
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Load-Engaging Elements For Cranes
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FR500345A1918-04-271919-06-02Dispositif de suspension du tuyau d'aspiration de dragues à aspirer le sable et autres engins analogues
ExpiredFR500345A
(fr)
Dispositif de raccordement ou d'accouplement à baïonnette servant à brancher un tuyau flexible d'aspiration de poussières sur le corps d'un aspirateur
Perfectionnements aux vannes pour conduites de liquides transportant des matières en suspension, notamment pour les conduites d'aspiration et de refoulement des draguesmarines