Computers; Calculators, Data Input Units, Terminals and Terminals Having Voice and Data Functions Combined in a Single Unit Used in Data Processing, Data Communications and Word Processing; Telephone Couplers for Data Input and Output; Magnetic Recorders; Magnetic Discs and Magnetic Tapes; Data Output Printers, Data Display Units, Data Memories; Connectors; Electronic Readers; Printed Computer Programmes; Printed Electric Circuit Boards; Electric Converters; Control Panels, Cash Registers, El...