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No TPTP formula. May not be expressible in strict first order. Mid-level-ontology.kif 1784-1784 开关设备工程组件subclass
No TPTP formula. May not be expressible in strict first order. engineering.kif 749-749 中继开关设备subclass
No TPTP formula. May not be expressible in strict first order. ComputingBrands.kif 3135-3135 主页按钮开关设备subclass


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