Perfectionnements aux systèmes modulateurs,申请号FRD864510-传众专利搜索

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发明名称	Perfectionnements aux systèmes modulateurs
摘要
申请公布号	FR864510(A)	申请公布日期	1941.04.29
申请号	FRD864510	申请日期	1940.03.27
申请人	LIGNES TELEGRAPHIQUES ET TELEPHONIQUES	发明人
分类号	H03C1/58	主分类号	H03C1/58
代理机构		代理人
主权项
地址

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