Improvement in Steam-Air Brakes for Railroad Cars
GPTKB entity
Statements (8)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| https://www.w3.org/2000/01/rdf-schema#label |
Improvement in Steam-Air Brakes for Railroad Cars
|
| gptkbp:involves |
air brakes
steam brakes |
| gptkbp:relatedTo |
railroad cars
braking systems |
| gptkbp:bfsParent |
gptkb:US_Patent_88,929_(railway_air_brake)
|
| gptkbp:bfsLayer |
5
|