F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F01 MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
F01D NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
9/00 Stators
F01D9/02 Nozzles; Nozzle boxes; Stator blades; Guide conduits; , e.g. individual nozzles
F01D9/04 forming ring or sector