73396666
Sep 30, 1982
Feb 14, 1984
Data Processing Apparatus for Use in Offices of Optometrists and Opticians-Namely, Keyboard and Display Terminals, Central Data Processing and Storage Units, Printers, and Computer Programming Recorded on Magnetic Tapes and Discs; and Electronic Data Recording Apparatus-Namely, Magnetic Tape Recording Units and Control Apparatus, Therefor
Electrical and Scientific Apparatus