skos:altLabel | - SF
- FF
- Fifi
- Canadian Car & Foundry AXG1
- F: Grumman
- FF-1
- FF-2
- Grumman FF/G-5/G-23 Goblin
- Grumman G-23
- Grumman G.23 Goblin
- Grumman G.23 Goblin I/''DelfĂn''
- Grumman GG
- Grumman Goblin fighter
- Grumman SF/G-6
- Grumman XFF-1
- Grumman XSF-2
- XFF-1
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