NASA NTRS · 20080004189
Cleaning devices
Abstract
Cleaning devices are described which include a vacuum cleaner wherein electrostatically charged brushes that brush dirt off a floor, are electrically grounded to remove charges that could tend to hold dirt to the brushes.
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Schneider, Horst W.. 1980-04-15. Cleaning devices. https://ntrs.nasa.gov/citations/20080004189
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