73145791
Oct 25, 1977
May 18, 1982
Programmable Industrial Controllers, Principally Comprising a Digital Computer, a CRT Keyboard Terminal, a Programming Panel, Telephone Interfaces, Interface Adapter Modules and Housings, Command Memories, Data Memories, Input/Output Memories, Power Supplies, Control Panels and Program Loaders, and Parts Thereof
Electrical and Scientific Apparatus