Système et procédé d'utilisation d'ondes radioélectriques pour aider les aéronefs à se diriger,申请号FRD679306-传众专利搜索

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发明名称	Système et procédé d'utilisation d'ondes radioélectriques pour aider les aéronefs à se diriger
摘要
申请公布号	FR679306(A)	申请公布日期	1930.04.11
申请号	FRD679306	申请日期	1929.07.26
申请人	KOLSTER-BRANDES LIMITED	发明人
分类号	G01S1/02	主分类号	G01S1/02
代理机构		代理人
主权项
地址

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