Amélioration relative aux systèmes téléphoniques intérieurs,申请号FR19600833714-传众专利搜索

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发明名称	Amélioration relative aux systèmes téléphoniques intérieurs
摘要
申请公布号	FR1266732(A)	申请公布日期	1961.07.17
申请号	FR19600833714	申请日期	1960.07.22
申请人		发明人	BARON OWSIEJ
分类号	H04M9/00;H04M9/04	主分类号	H04M9/00
代理机构		代理人
主权项
地址

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