Improvements relating to suction cleaners,申请号GB19490026849-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	GB669955(A)	申请公布日期	1952.04.09
申请号	GB19490026849	申请日期	1949.10.19
申请人	HOOVER LIMITED	发明人
分类号	A47L5/36;A47L9/30	主分类号	A47L5/36
代理机构		代理人
主权项
地址

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