ELECTROSTATIC, ELECTROPHOTOGRAPHIC AND THERMAL COPYING MACHINES, AND PARTS THEREFOR, NAMELY, SORTERS, COLLATORS, AUTOMATIC DOCUMENT FEEDERS AND STAPLE UNITS; DATA PROCESSING DEVICES COMPRISED OF A CENTRAL PROCESSING UNIT, DATA CONTROL UNIT, MEMORY UNIT, DATA-INPUT TERMINALS AND DATA-OUTPUT TERMINALS; COMPUTER DISC DRIVE, BLANK MAGNETIC DISC MEDIA AND OPTICAL DISCS; FACSIMILE MACHINES AND PARTS THEREFOR, NAMELY, LONG-DISTANCE COPIERS, PRINTERS OPERABLE VIA TELEPHONE LINES; WORD PROCESSORS COMP...