Scientific and technological services and research work and designer services in this regard; industrial analysis and research services; design and development of computer hardware and software and devices, assemblies, and components for transmitting electrical and optical signals or energy and for data transmission between units movable in relation to one another, rotating transmitters, slip rings, and collectors

Machines, in particular for the transfer of solid, liquid, and gaseous materials between parts which are movable and in particular rotatable in relation to one another comprised of rotary joints, rotary couplings, current collectors, electrical couplings; brushes being parts of rotating machines, motors, generators and dynamos, namely, rotary joint brushes; dynamo brushes, all sold together as one unit