Amélioration des circuits de sonnerie pour téléphone,申请号FR19620913895-传众专利搜索

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发明名称	Amélioration des circuits de sonnerie pour téléphone
摘要
申请公布号	FR1354827(A)	申请公布日期	1964.03.13
申请号	FR19620913895	申请日期	1962.10.30
申请人	ERICSSON TELEPHONES LIMITED	发明人
分类号	H04M19/04	主分类号	H04M19/04
代理机构		代理人
主权项
地址

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