Improvements in or relating to cleaning devices,申请号GB19350035527-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	GB447889(A)	申请公布日期	1936.05.27
申请号	GB19350035527	申请日期	1935.12.23
申请人	RICHARD LEISTNER;CARL OTTO SCHMIDT	发明人
分类号	A47L13/22	主分类号	A47L13/22
代理机构		代理人
主权项
地址

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