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Priority to NL6501998ApriorityCriticalpatent/NL6501998A/xx
Publication of NL6501998ApublicationCriticalpatent/NL6501998A/xx
F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16H—GEARING
F16H35/00—Gearings or mechanisms with other special functional features
F16H35/02—Gearings or mechanisms with other special functional features for conveying rotary motion with cyclically varying velocity ratio
A—HUMAN NECESSITIES
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
A47B63/00—Cabinets, racks or shelf units, specially adapted for storing books, documents, forms, or the like
A47B63/06—Cabinets, racks or shelf units, specially adapted for storing books, documents, forms, or the like with parts, e.g. trays, card containers, movable on pivots or on chains or belts