- Wing assemblies and parts, aircraft (1)
- Accumulators, aircraft propeller (1)
- Landing skis and tracks, aircraft (1)
- Aircraft assemblies, subassemblies, and parts, nec (1)
- Dusting and spraying equipment, aircraft (1)
- R and D by manuf., aircraft parts and auxiliary equipment (1)
- Refueling equipment for use in flight, airplane (1)
