(subclass SpeedGovernor Device) | Cars.kif 2904-2904 | 子類 SpeedGovernor and Device |
(subclass EngineGovernor SpeedGovernor) | Cars.kif 2923-2923 | 子類 EngineGovernor and SpeedGovernor |
(subclass AutomobileGovernor SpeedGovernor) | Cars.kif 2950-2950 | 子類 AutomobileGovernor and SpeedGovernor |