Improvements relating to suction cleaners,申请号GB19470019118-传众专利搜索

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发明名称	Improvements relating to suction cleaners
摘要
申请公布号	GB648967(A)	申请公布日期	1951.01.17
申请号	GB19470019118	申请日期	1947.07.17
申请人	HOOVER LIMITED	发明人
分类号	A47L5/30;A47L7/04	主分类号	A47L5/30
代理机构		代理人
主权项
地址

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