A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
15/56
A47L 11/34 (2006.01) A47L 7/00 (2006.01) A47L 11/30 (2006.01)
Patent
CA 1038567
ABSTRACT OF THE DISCLOSURE This invention relates to a vacuum cleaning machine which is capable of operating as a wet or dry pickup without any substantial modification in the basic structure of the machine. To convert from a machine capable of operation as a wet pickup machine to a dry pickup machine requires only that the operator open the containment vessel and install a suitable paper or cloth bag over an elbow member protruding into the containment vessel.
272812
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