9
Projectors; optical filters for projectors; screens for projectors; projection screens; frames for projectors, in particular frames with changeable geometry, for two or more projectors; software, in particular software for the control and coordination of two or more projectors; projection systems, namely screen, projector and frame
41
Education; providing of training and further training; organisation, arranging and conducting of courses, seminars, workshops, symposiums, congresses and conferences; entertainment; publication of printed materials, informational material and publications; providing electronic publications
42
Scientific and technological services and design relating thereto; scientific and industrial research; research in the field of information technology, physics and electrical engineering; scientific experiments; research and development; information technology services; physics research; engineering services; conducting technical measurements, tests and checks; development of measuring methods and test methods; technical measuring and testing; material testing, quality control; material testing; calibration and function testing of measuring apparatus; technical planning, development and research with regard to new products; construction drafting; technical project studies; scientific and technical consultancy and advisory services; providing of documentation and retrospective research for research purposes, and publication of information journals for scientific and technical reports; engineering and providing of scientific expertise; computer programming; consultancy in the field of computers; computer programming; EDP consultancy; hardware and software consultancy; computer software installation and maintenance; computer hardware and software development