73459434
Jan 3, 1984
Jul 16, 1985
CASH REGISTERS, CALCULATING MACHINES, COMPUTERS, KEYBOARDS, READERS, VISUAL DISPLAY SCREENS, PRINTERS AND COMPUTER PROGRAMS
Electrical and Scientific ApparatusINSTRUCTIONAL MANUALS, WORK SHEETS, PROGRAM CARDS, INSTRUCTIONAL AND TEACHING BOOKLETS
Paper Goods and Printed Matter