(subclass ElectricalCircuit ElectricDevice) | engineering.kif 984-984 | |
(subclass Amplifier ElectricalCircuit) | engineering.kif 990-990 | |
(subclass FrequencyFilter ElectricalCircuit) | engineering.kif 995-995 | |
(subclass Rectifier ElectricalCircuit) | engineering.kif 1010-1010 | |
(subclass OperationalAmplifier ElectricalCircuit) | engineering.kif 1044-1044 |