Report - Ventilatori elico-centrifughi a sicurezza aumentata...2019/11/29  · 100 0 600 Pt (mm/H 30 2 O) 0 20 10 25 40 100 Pd 200 18 300 400 500 22 Q (m3/h) 900 800 700 25 1000 Lp: livello

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