| 摘要 |
A vacuum cleaning system utilizing a small-mouthed nozzle on a vacuum hose member, such nozzle having an air outlet member disposed therein for the directing of a high-pressure air stream out of said nozzle at selected times onto the surface to be cleaned while vacuuming is occurring through said nozzle. Shampoo fluid can optionally be delivered to the surface to be cleaned with such high-pressure air stream.
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