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2.Aircraft guidance, approach, and landing system with yaw detection and metering 失效
Title translation: 具有偏航检测和计量功能的飞行器引导,接近和着陆系统-
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6.Apparatus and method for facilitating the navigation of aircraft 失效
Title translation: 用于促进飞行器导航的装置和方法-
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10.Locating and guidance systems for vehicles for air, sea and land 失效
Title translation: 空中,海上和陆地车辆定位和指导系统
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