(subclass DevicePowerSupply ElectricDevice) | ComputingBrands.kif 3559-3559 | DevicePowerSupply は ElectricDevice の subclass では %n |
(subclass DevicePowerSupply DCPowerSource) | ComputingBrands.kif 3560-3560 | DevicePowerSupply は DCPowerSource の subclass では %n |