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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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1/00
Cleaning windows
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A47L1/06
Hand implements
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A47L1/08
with provision for supplying liquids, e.g. cleaning agents
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