X/OPEN

COMPUTERS AND PARTS THEREFOR, COMPUTER PROGRAMS ON PORTABILITY AND COMPUTER PROGRAMS WHICH RUN ON MULTIVENDOR ENVIRONMENTS RECORDED ON MAGNETIC TAPES AND DISCS; DATA PROCESSING AND WORD PROCESSING MACHINES

COMPUTER PAPER, COMPUTER CARDS, PAPER TAPES FOR COMPUTERS, COMPUTER RIBBONS AND COMPUTER INSTRUCTION MANUALS, BULLETINS AND NEWSLETTERS