73218890
Jun 8, 1979
Aug 3, 1982
Digital Computers, Computer Disc Printers, Computer Electronic Interfaces for Disc and Tape, and Computer Program Packages Consisting of Computer Programs (in Disc and Tape Form), and Accompanying Instruction and Operation Manuals Sold as a Unit for Business Data Process Applications, but Not Products or Computer Programs (Software) Involving Building Environmental Control and Automation, Energy Consumption and Load Management, Building Security and Card Access, Fire Management, Life Safety, or Control of Mechanical Systems
Electrical and Scientific Apparatus