| (subclass Transducer Device) | Mid-level-ontology.kif 1722-1722 | Transducer is a subclass of device |
| (subclass Engine Transducer) | Mid-level-ontology.kif 1724-1724 | Engine is a subclass of transducer |
| (subclass Transformer Transducer) | engineering.kif 624-624 | Transformer is a subclass of transducer |
| (subclass Gyrator Transducer) | engineering.kif 630-630 | Gyrator is a subclass of transducer |
|
|