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Term 1: Term 2:

(subclass OpticalDevice Device) Mid-level-ontology.kif 2493-2493
(subclass EyeGlass OpticalDevice) Mid-level-ontology.kif 2505-2505
(subclass Lens OpticalDevice) Mid-level-ontology.kif 2510-2510
(subclass Microscope OpticalDevice) Mid-level-ontology.kif 2515-2515


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