Perfectionnements aux appareils de nettoyage par aspiration,申请号FRD844237-传众专利搜索

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发明名称	Perfectionnements aux appareils de nettoyage par aspiration
摘要
申请公布号	FR844237(A)	申请公布日期	1939.07.20
申请号	FRD844237	申请日期	1938.09.16
申请人	ETABLISSEMENTS HOOVER S. A.	发明人
分类号	A47L5/28	主分类号	A47L5/28
代理机构		代理人
主权项
地址

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