Perfectionnements aux systèmes de signalisation à ondes porteuses,申请号FRD801310-传众专利搜索

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发明名称	Perfectionnements aux systèmes de signalisation à ondes porteuses
摘要
申请公布号	FR801310(A)	申请公布日期	1936.08.01
申请号	FRD801310	申请日期	1936.01.15
申请人	LE MATERIEL TELEPHONIQUE, SOCIETE ANONYME	发明人
分类号	H03C1/62	主分类号	H03C1/62
代理机构		代理人
主权项
地址

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