Statements (9)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
vacuum tube
|
| gptkbp:category |
gptkb:electron_tube
|
| https://www.w3.org/2000/01/rdf-schema#label |
General Electric 1257E1
|
| gptkbp:manufacturer |
gptkb:General_Electric
|
| gptkbp:usedIn |
gptkb:radio_station
amplifiers |
| gptkbp:bfsParent |
gptkb:R33_subway_car
gptkb:R36_subway_car |
| gptkbp:bfsLayer |
7
|