73439394
Aug 15, 1983
Oct 18, 1988
COMPUTER SYSTEM, COMPRISING A COMPUTER PROCESSOR UNIT, COMPUTER MEMORY UNITS, A DISPLAY TERMINAL, A DATA ENTRY AND CONTROL TERMINAL, COMPUTER PROGRAMS AND AN OPTICAL SCANNER, SOLD IN VARIOUS COMBINATIONS AS A UNIT, AND REPLACEMENT PARTS AND STRUCTURAL COMPONENTS THEREFOR
Electrical and Scientific Apparatus