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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A47G
HOUSEHOLD OR TABLE EQUIPMENT
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A47G23/10
Devices for counting or marking the number of consumptions
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A47G23/12
Consumption counters combined with table-ware; or table-service
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