Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of BE521026ApublicationCriticalpatent/BE521026A/xx
A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
A47L11/408—Means for supplying cleaning or surface treating agents