Repair and maintenance of business machines, those being cash registers, credit registers, autographic registers, adding machines, accounting machines, calculating and computing machines and apparatus, combined typewriting and accounting or computing machines, postage metering machines, stamp issuing machines and apparatus, ticket issuing machines, mechanical, electromagnetic and electronic counters, document, card and paper sheet sorters, data classifying apparatus, coin sorters, change computing apparatus and dispensers, electrical credit systems, telecommunication systems, electronic or electromechanical computing, accounting and integrated data processing systems and apparatus, and operational units for use with same either within the apparatus or peripheral thereto, apparatus for transferring data from cards to tape and vice-versa, direct character recognition apparatus either mechanical, magnetic or optical, and conjoined apparatus, elements and units of apparatus for use in electronic computers, data punching apparatus, data checking apparatus, data recording apparatus, mechanical, electrical, magnetic and optical media readers, tape handling apparatus, information and data storage systems and apparatus, being services included in this class.

Paper and paper products; printed forms; printed publications, printed matter and stationery, all for use with or relating to data processing apparatus and instruments; office requisites