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Term 1: Term 2:

(subclass ElectricSpeakerDevice SpeakerDevice) ComputerInput.kif 484-484
(subclass ElectricSpeakerDevice ElectricDevice) ComputerInput.kif 485-485
(subclass Loudspeaker ElectricSpeakerDevice) ComputerInput.kif 496-496
(subclass Earphone ElectricSpeakerDevice) ComputerInput.kif 502-502


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