books, reviews and publications on computer science and computer programs; manuals for computer programs; paper tapes and cards for the recordal of computer programs
Paper Goods and Printed Mattereducation and training services; entertainment services; teaching of computer science
Education and Entertainmentrental of computer software and computers; leasing of access time to a computer for data processing; leasing of access time to a computer data base; analysis for implementation of computer systems; reconstruction of data bases; consultancy in the field of computers; computer software design; maintenance of computer software; computer programming; updating of software; engineering; scientific and industrial research
Computer and Scientific