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Term 1: Term 2:

(subclass PowerSource Device) Mid-level-ontology.kif 2565-2565
(subclass DCPowerSource PowerSource) Mid-level-ontology.kif 2575-2575
(subclass ACPowerSource PowerSource) Mid-level-ontology.kif 26355-26355
(subclass SinglePhasePowerSource PowerSource) engineering.kif 873-873
(subclass ThreePhasePowerSource PowerSource) engineering.kif 878-878


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