INDUSTRIAL PROGRAMMABLE CONTROLLERS; PROGRAMMERS, PROGRAMMING PANELS, AND PROGRAM LOADERS, BLANK MAGNETIC TAPES, MAGNETIC TAPES CONTAINING P ROGRAMS, ANDINTERFACES AND CARTS THEREFOR; TELEPHONEINTERFACES; MODEMS; COMPUTER INTERFACES;COMPUTER ADAPTOR PANELS; INPUT AND OUTPUT MODULES; REGISTERS, PULSE COUNTERS, MULTIPLEXERS AND PRINTED CIRCUIT CARDS, CABLES, AND EXPANDERS, ADAPTERS AND REMOTE DRIVERS THEREFOR; PRINTERS, AND PRINTER MESSAGE IMPLEMENTORS AND PAPER THEREFOR; CRT DISPLAYS, CRT DISPLAY MESSAGE IMPLEMENTORS,AND VIDEO CONTROLLERS AND MEM ORIES FOR USE THEREWITH; AND HOUSINGS, DUCTS, POWER SUPPLIES, CONTROL PANELS, AND PARTS THEREOF
Electrical and Scientific Apparatus