Clapet automatique pour le réglage de la ventilation,申请号FRD839419-传众专利搜索

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发明名称	Clapet automatique pour le réglage de la ventilation
摘要
申请公布号	FR839419(A)	申请公布日期	1939.04.04
申请号	FRD839419	申请日期	1937.12.08
申请人	ETABLISSEMENTS QUINT & FLAMANT REUNIS	发明人
分类号	F24F11/02	主分类号	F24F11/02
代理机构		代理人
主权项
地址

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