water oxygenation assembly has a rubber bag hose with numerous tiny slits and is clamped or secured to the floor of a water basin
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Device for handling skittle or bowling pins especially during cleaning.
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Assembly for the aeration of water, in a basin, is a hose along the bottom of the basin divided into sections with slits to release fine air bubbles and perforated internal intermediate support sections without slits
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Water aeration tank has parallel array of alternately operated air discharge outlets setting up air/water vortices
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Aeration hose assembly for lake, lagoon, water treatment basin has air supply pipe simultaneously serving as air discharge pipe
