Improvements in or relating to suction cleaners,申请号GB19370011749-传众专利搜索

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发明名称	Improvements in or relating to suction cleaners
摘要
申请公布号	GB494265(A)	申请公布日期	1938.10.24
申请号	GB19370011749	申请日期	1937.04.23
申请人	HOOVER LIMITED	发明人
分类号	A47L5/34	主分类号	A47L5/34
代理机构		代理人
主权项
地址

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