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A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
A47B57/00—Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions
A47B57/06—Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions with means for adjusting the height of the shelves
A47B57/08—Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions with means for adjusting the height of the shelves consisting of grooved or notched ledges, uprights or side walls
Installation de securite du type comprenant une structure de travail, en particulier du genre echafaudage et un garde-corps pour une telle installation