Improvements in or relating to cleaning devices,申请号GB19550023103-传众专利搜索

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发明名称	Improvements in or relating to cleaning devices
摘要
申请公布号	GB839757(A)	申请公布日期	1960.06.29
申请号	GB19550023103	申请日期	1955.08.10
申请人	ALBERT KENNETH MACKENZIE;AMAC REFINEMENTS LIMITED	发明人
分类号	A47L13/257	主分类号	A47L13/257
代理机构		代理人
主权项
地址

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