Improvements in or relating to vacuum cleaners,申请号GB19350026424-传众专利搜索

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发明名称	Improvements in or relating to vacuum cleaners
摘要
申请公布号	GB446152(A)	申请公布日期	1936.04.24
申请号	GB19350026424	申请日期	1935.09.24
申请人	FRITZ DUERR	发明人
分类号	A47L5/22;B41B25/00	主分类号	A47L5/22
代理机构		代理人
主权项
地址

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