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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A47C
CHAIRS; SOFAS; BEDS
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A47C19/20
Multi-stage bedsteads; Bedsteads stackable to multi-stage bedsteads
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A47C19/202
Stacking or nesting bedsteads
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