145020 ⎘
Materials; Properties thereof; Inorganic materials, e.g. metals Copper alloys
Sub-classes:Tip air receptor
#2Wind turbine blade and wind turbine power generating apparatus
#3Wind turbine blade with protecting layers
#4Synchronous generator of a gearless wind turbine and method for producing a synchronous generator, and use of form coils
#5Wind turbine blade having a lightning tip receptor
#6Wind turbine blade having a lightning tip receptor
#7Marine current power generation device