Means for directing the landing of aircraft during foggy weather,申请号GB19510003749-传众专利搜索

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发明名称	Means for directing the landing of aircraft during foggy weather
摘要
申请公布号	GB683860(A)	申请公布日期	1952.12.03
申请号	GB19510003749	申请日期	1951.02.15
申请人	WALTER JAMES FREE	发明人
分类号	B64F1/20	主分类号	B64F1/20
代理机构		代理人
主权项
地址

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