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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A47B57/54
consisting of clamping means, e.g. with sliding bolts or sliding wedges
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A47B57/545
clamped in discrete positions, e.g. on tubes with grooves or holes
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