Messfluegel,Stroemungsmesser,hydrometrischer Fluegelradmesser /SCIENCE,TECH/
[DE] Messfluegel; Stroemungsmesser; hydrometrischer Fluegelradmesser
[EN] bucket-wheel current meter; current meter; current-meter; hydrometric paddle-wheel
[FR] moulinet; moulinet hydrométrique