OBOWAGS

Fuel cells and components thereof, namely fuel cell electrodes, membranes, housings, and controllers, wherein all of said goods are for use in aircraft

Sewage treatment plants; waste water clarification and treatment plants; waste water purification units; sanitary apparatus and installations, namely, pipes being part of sanitary facilities for handling waste water; and waste water purification units for purifying and preparing potable water; wherein all of said goods are for use in aircraft