Perfectionnements aux appareils d'alarme automatique pour signalisation téléphonique en cas de vol, incendie ou autre,申请号FRD47220D-传众专利搜索

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发明名称	Perfectionnements aux appareils d'alarme automatique pour signalisation téléphonique en cas de vol, incendie ou autre
摘要
申请公布号	FR47220(E)	申请公布日期	1937.02.20
申请号	FRD47220D	申请日期	1935.11.07
申请人	ELECTRO-GARD	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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