W

Apparatus and instruments for recording, measuring, signaling and processing acoustic, electromagnetic and digital data, all for railway traffic management and railway safety; apparatus for recording, transmitting and reproducing sound and images for railway traffic management and railway safety; data processing equipment, computers and computer software for railway traffic management and railway safety; railway traffic safety appliances

Construction; railway maintenance and repair services; installation services for railways

Scientific and technological services and research and development related thereto; industrial analysis and research; design and development of computers and computer programs; all related to the management of rail traffic and rail safety