79116263
Nov 2, 2011
Jun 4, 2013
Rotor blades and blade profiles for use in wind turbines for electric power generation; wind-powered electricity generators; electric power generators; machines for use in and combined with turbines for electric power generation
MachineryElectrical control devices for use in wind turbines for electric power generation; Electrical control devices for electric power generators
Electrical and Scientific ApparatusMasts not of metal, in particular masts of concrete and masts of composite fibre materials
Nonmetallic Building Materials