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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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17/00
Writing-tables
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A47B17/06
with parts, e.g. trays, movable on a pivot or by chains or belts
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A47B17/065
Pivotally mounted auxiliary tables
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