Vacuum cleaner

Washing – cleaning – or drying machine – Washing – cleaning – or drying machine – Surface treatment – e.g. – floor – street – etc.

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1505

Patent

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D04223861

REFERENCES:
patent: D253472 (1979-11-01), Cannon et al.
patent: D292336 (1987-10-01), Kieft et al.
patent: D297061 (1988-08-01), Kent
patent: D318543 (1991-07-01), Shero
patent: D334258 (1993-03-01), Oberdorfer-Bogel
patent: D338292 (1993-08-01), Schmitz et al.
patent: D343706 (1994-01-01), Gurstein
patent: D344374 (1994-02-01), Wulff
patent: D344376 (1994-02-01), Worwag
patent: D380070 (1997-06-01), Shero

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