Perfectionnements aux appareils respiratoires,申请号FRD859308-传众专利搜索

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发明名称	Perfectionnements aux appareils respiratoires
摘要
申请公布号	FR859308(A)	申请公布日期	1940.12.16
申请号	FRD859308	申请日期	1939.05.06
申请人		发明人	DRANSART HENRY
分类号	A62B18/00	主分类号	A62B18/00
代理机构		代理人
主权项
地址

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