Perfectionnement aux éléments filtrants pour appareils respiratoires,申请号FRD864404-传众专利搜索

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发明名称	Perfectionnement aux éléments filtrants pour appareils respiratoires
摘要
申请公布号	FR864404(A)	申请公布日期	1941.04.26
申请号	FRD864404	申请日期	1939.12.06
申请人		发明人	MAURICE FERNEZ
分类号	A62B23/00	主分类号	A62B23/00
代理机构		代理人
主权项
地址

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