Statements (4)
| Predicate | Object |
|---|---|
| gptkbp:has_seen_advancements_in |
supersonic travel
|
| https://www.w3.org/2000/01/rdf-schema#label |
Commercial aviation
|
| gptkbp:bfsParent |
gptkb:civil_aviation
|
| gptkbp:bfsLayer |
3
|