Industrial models
| No. | Industrial model no. | Title | Abstract |
| 1. | no. 33328 |
Propeller blade |
Propeller blade designed for propeller with more than two blades. |
| 2. | no. 33922 | Propeller blade | |
| 3. | no. 33923 | Propeller blade | |
| 4. | no. 34200 | Model of aircraft | |
| 5. | no. 35103 | Model Propeller | |
| 6. | no. 35113 | Propeller Blade | |
| 7. | no. 35114 | Propeller Blade | |
| 8. | no. 35127 | Fan Blade |
