skos:altLabel | - 12
- Lockheed 12
- Lockheed Electras
- C-40 Electra
- Electra Junior
- JO Electra Junior
- L-212
- Lockheed 12 Electra Junior
- Lockheed 12/UC-40 Electra Junior
- Lockheed 12A
- Lockheed 12A Electra Jr.
- Lockheed 12A Junior Electra
- Lockheed 212
- Lockheed C-40
- Lockheed C-40 Electra
- Lockheed C-40/Model 12 Electra
- Lockheed C-40/Model 12 Electra Junior
- Lockheed Electra Junior
- Lockheed L-12 Electra Junior
- Lockheed L-12A Electra
- Lockheed L-12A Electra Junior
- Lockheed Model 12-A Electra Junior
- Lockheed Model 12A Electra Junior
- Lockheed Model 12B Electra Junior
- Lockheed Model 12a
- Lockheed Model 212
- Lockheed UC-40D Electra Junior
- Model 12 Electra Junior
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