Annonceur téléphonique automatique,申请号FRD851462-传众专利搜索

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发明名称	Annonceur téléphonique automatique
摘要
申请公布号	FR851462(A)	申请公布日期	1940.01.09
申请号	FRD851462	申请日期	1939.03.10
申请人	DANSK TELEFONALARM AKTIESELSKAB	发明人
分类号	H04M11/04	主分类号	H04M11/04
代理机构		代理人
主权项
地址

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