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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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A47B
TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
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57/00
Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions
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A47B57/30
with means for adjusting the height of detachable shelf supports
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A47B57/32
consisting of grooved or notched ledges, uprights or side walls
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A47B57/34
the grooved or notched parts being the side walls or uprights themselves
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