9 Mouse pads, software for administration and accounting purposes used in the area of housing industry real estate business, commercial real estate, energy supply, municipal government, real estate administration, real estate management, public administration, house administration, engineering, design engineering, architecture and brokers; computers and printers with electronic program guidance; operational software for equipment mentioned above, modules, punched cards, punched tapes, semiconductor strips, electronic data media, compact disks, computer cassettes, computer diskettes