| 摘要 |
An output duct extension for attachment to an upright vacuum cleaner output sleeve or collar. The output duct extension is constructed to be insertable into the paper fill tube of a disposable paper filler bag. The output duct extension is of a longitudinal length such that when it is inserted into the fill tube and the paper filler bag is contained in a fabric fuller bag of the vacuum cleaner the upper end of the output duct extension is positioned at the approximate top end of the fill tube.
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