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IT5320190U1990-08-081990-08-08Dispositivo per l'estrazione di acqua dal suolo, particolarmente in zone sabbiose e ghiaiose ed in prossimita' del mare.
IT220582Z2
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The hydrogeologic controls on water quality, ground water circulation, and collapse breccia pipe formation in the western part of the Black Mesa hydrologic basin, Coconino County, Arizona