73402132
Nov 9, 1982
Mar 20, 1984
Computer Programs in the Form of Electronically Readable Disks; PROM Programmers
Electrical and Scientific ApparatusComputer Program Listings; Computer User's Manuals; Pamphlets, Brochures, or Leaflets Concerning Instruction in Computers or Computer Programming
Paper Goods and Printed MatterConducting Instructional Courses in Microprocessor System and Software Design
Education and Entertainment