Patent classifications
A
HUMAN NECESSITIES
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A47
FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
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A47L
DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
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11/00
Machines for cleaning floors, carpets, furniture, walls, or wall coverings
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A47L11/02
Floor surfacing or polishing machines
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A47L11/20
combined with vacuum cleaning devices
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A47L11/204
having combined drive for brushes and for vacuum cleaning
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A47L11/206
for rotary disc brushes
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