Perfectionnements aux appareils de ventilation,申请号FRD976377-传众专利搜索

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发明名称	Perfectionnements aux appareils de ventilation
摘要
申请公布号	FR976377(A)	申请公布日期	1951.03.16
申请号	FRD976377	申请日期	1948.12.10
申请人		发明人	FITT THOMAS CHARLES
分类号	B63J2/10;F24F13/062	主分类号	B63J2/10
代理机构		代理人
主权项
地址

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