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Spreizklappen
| Spreizklappe | |
| tech. | split flap; controllable gill; controllable gill; Zap wing flap |
| transp. avia. | flap |
| |||
| split flaps | |||
| |||
| split flap; controllable cooling gill; controllable gill (of cowl); Zap wing flap | |||
| flap | |||
| Spreizklappen: 5 phrases in 2 subjects |
| Astronautics | 1 |
| Technology | 4 |