The world's first vacuum cleaner technology with no bag and no loss of suction. Centrifugal forces in the Dyson cyclone throw dirt, dust and debris out of t… | ダイソン
Momentum® Cyclonic Bagless Vacuum 3910 | BISSELL®
Sir James Dyson portrait
SIR JAMES DYSON'S RECYCLONE PLASTIC CYCLONIC RIVER BARGE CLEANING CONCEPT