Dispositif de détection de gaz et d'alarme,申请号FRD891766-传众专利搜索

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发明名称	Dispositif de détection de gaz et d'alarme
摘要
申请公布号	FR891766(A)	申请公布日期	1944.03.20
申请号	FRD891766	申请日期	1942.12.04
申请人		发明人	FISCHBACH-ENGELBERG ARNO
分类号	G01N25/46	主分类号	G01N25/46
代理机构		代理人
主权项
地址

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