Perfectionnements aux systèmes d'indication, à l'aide d'un oscillographe cathodique de la présence, distance et position d'un obstacle,申请号FRD877171-传众专利搜索

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发明名称	Perfectionnements aux systèmes d'indication, à l'aide d'un oscillographe cathodique de la présence, distance et position d'un obstacle
摘要
申请公布号	FR877171(A)	申请公布日期	1942.11.30
申请号	FRD877171	申请日期	1941.07.18
申请人	COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL	发明人
分类号	G01S7/06	主分类号	G01S7/06
代理机构		代理人
主权项
地址

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