[Class : 1] Chemical Preparations, Gas And Mixtures Of Gas For Research, Science And Industry, In Particular Hydrogen .[Class : 4] Combustible Compositons, In Particular Combustible Gases, Including Hydrogen[Class : 7] Fuel Cell Electric Generators.[Class : 9] Fuel Cells And Component Parts Thereof, Namely Anodes, Cathodes, Membranes For Electrochemical Separations And Collector Plates For Electric Current.[Class : 11] Gas Generators (Installations), In Particular Hydrogen Generators; Installations For The Distribution Of Gas, In Particular Hydrogen Distribution Stations.[Class : 37] Maintenance, Upkeep And Repair Of Gas Generators, Gas Installations And Distributors And Fuel Cell And Their Components.[Class : 39] Distribution Of Electric Energy From Fuel Cells Powered By Hydrogen, Storage Of Hydrogen Produced Via Different Methods Of Electricity Productions.[Class : 42] Scientific And Industrial Research And Development Aimed At Protecting The Environment, Engineering, Planning And Development Of Fuel Cell Installations.