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Photocopiers or duplicating machines (hire/rental)
Typewriter types
Typewriter keys
Typewriter platens
Typists copyholders
Typewriter attachments, continuous form feeding
Typewriter ribbon spools
Document reproduction machines
Office machines and equipment
Typewriters
Typewriters, mechanical
Typewriters, electromechanical
Typewriters, electronic
Lettering machines for self-adhesive tape
Shorthand machines
Typewriters for blind persons, Braille
Typewriter ribbons
Calculating machines, electronic
Calculators, desk
Calculators, pocket
Calculators, scientific
Calculators, programmable
Calculators, currency converters
Adding machines, full keyboard
Adding machines, abbreviated keyboard
Adding machines, midget
Ribbons, inked, for calculating machines
Parts and components for calculators and adding machines
Calculating and adding machines, non-printing
Calculating and adding machines, printing, listing
Telephone announcement systems, recorded
Teleprinters
Telephone booths and room hoods, acoustic
Telephone switchgear, selector and accessory equipment
Microphones for dictating machines
Earphones, dictating machine
Calculating and adding machines, electric
