Data processing instruments and apparatus, including computers and computer system components; central processors; card readers, punched paper tape readers, magnetic tape recorders and readers; computer input/output display units; thin-film memory modules; data transmission and conversion terminal units; Circuit modules, mognetic cores; readout devices; indicator tubes; switching tubes; Information transmission, conversion and display instruments and apparatus, including terminal units for interconnection of keyboard machines and computers, multiplexing units, cathode ray tube alphanumeric display units; ab<usiness and banking machines, instruments and apparatus, including adding machines, calculating machines, accounting machines, cash registering machines, bookkeeping machines, typewriter-accounting machines, disbursing machines; ledger readers; Document handling machines Including machines for encoding documents, machines for recognizing coded characters and sorting documents bearing such characters; check writers, check signers and check certifiers

Books, pamphlets, magazines; instructional and technical reference manuals; printed reference tables; charts; templates; cards and folders; stationery; office requisites; roll and flat sheet paper; carbon paper, reproductive transfer or copy paper containing an inking material, inking ribbons used with business and banking machines and apparatus; business forms, including partially printed and processed forms; safety paper checks; accounting boards and binders; paper tape punches and card punches; line printers; cabinets for stationery, and for forms

Special processed papers for preventing fraud by reproduction; business papers made thereof such as cheques, notes, passports, passes, coupon tickets, pool tickets, entrance tickets, merchandise coupons, stock certificates, official stamps, postage stamps and gift coupons

Educational services in connection with computer programming, computer equipment and apparatus and data processing, business, banking and office machine equipment and apparatus

Business machine maintenance and repair services

Rendering programming service for data processing; furnishing electronic computer time to others; and rendering technical services to others in establishing, implementing and operating data processing and character recognition systems

Machines for punching paper tape; machines for punching cards, line printers; magnetic ink printing-encoding machines

Cleaning, scouring and abrasive preparations, soaps, type cleaner, platen cleaner and restorer, all being for use with typewriters and business machines

Office furniture; business machine stands; cash drawers; tables; file storage units for magnetic discs; cabinets for stationery and for forms

Electrically operated cash registers. Business machines namely adding machines, listing machines, calculating machines, key operated calculators, automatic calculators, bookkeeping machines, accounting machines, statistical machines, billing machines, typewriter-calculating machines, adding machines with cash drawers attached thereto and parts for all of said machines, including platen twirlers.. Interference eliminators, radio filters, condensors, circuit protectors,