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Dynamic flow column, hollow body, which with a visible water fill level of the invention is illustrated by the water level of the reference body of water
Dynamic flow column, hollow body, which with a visible water fill level of the invention is illustrated by the water level of the reference body of water
Dynamic flow column for the purposes of illustration, the water level of a body of water, characterized in that the illustration of the water level, also by means of a water fill level within the as a hollow body –, – preferably vertically extended flood column is.
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