73557709
Sep 11, 1985
Mar 19, 1991
COMPUTER SOFTWARE FOR COMPUTER SOFTWARE THAT PERMITS ONE PROGRAM TO INTERFACE WITH A DIFFERENT PROGRAM
Electrical and Scientific ApparatusCOMPUTER MANUALS, PRINTED COMPUTER INSTRUCTIONAL MATERIALS AND SPECIFICATIONS FOR COMPUTER SOFTWARE THAT PERMITS ONE PROGRAM TO INTERFACE WITH A DIFFERENT PROGRAM
Paper Goods and Printed Matter