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DEM Service S.R.L.
| DEM Service S.R.L. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20090113662 | FILTER SUPPORT FOR A VACUUM CLEANER - A filter support for a vacuum cleaner is provided with a frame suitable for supporting a filter and with a shaking device for making the frame vibrate in use, which has an actuator provided with a fan that is rotated by an air flow that in use passes through the Frame. | 05-07-2009 |