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Term 1: Term 2:

(subclass InternalDigitalDataStorageDevice DigitalDataStorageDevice) ComputerInput.kif 648-648 Internal digital data storage device is a subclass of digital data storage device
(subclass InternalHardDisk InternalDigitalDataStorageDevice) ComputerInput.kif 671-671 Internal hard disk is a subclass of internal digital data storage device


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