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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A47J
KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
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31/00
Apparatus for making beverages
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A47J31/04
Coffee-making apparatus with rising pipes
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A47J31/053
with repeated circulation of the extract through the filter
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