DIFF Subgroup
F01D 5/28 Selecting particular materials; Measures against erosion or corrosion
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Blades; Blade-carrying members; Heating, heat-insulating, cooling, or antivibration means on the blades or the members > Blades > Selecting particular materials; Measures against erosion or corrosion
CPC:
Blades; Blade-carrying members (nozzle boxes F01D9/02); Heating, heat-insulating, cooling or antivibration means on the blades or the members > Blades (; blade roots F01D5/30; rotors with blades adjustable in operation F01D7/00; stator blades F01D9/02) > Selecting particular materials; Measures against erosion or corrosion
Of 4 combined children, 0 exist in both systems.
4 codes are CPC-only extensions.
Child Classifications
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