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Term 1: Term 2:

(subclass ACPowerSource PowerSource) Mid-level-ontology.kif 24475-24475 Ac power source is a subclass of power source
(subclass SinglePhasePowerSource ACPowerSource) Mid-level-ontology.kif 24480-24480 Single phase power source is a subclass of ac power source
(subclass ThreePhasePowerSource ACPowerSource) Mid-level-ontology.kif 24481-24481 Three phase power source is a subclass of ac power source


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