Rug cleaning device,申请号US19580717390-传众专利搜索

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发明名称	Rug cleaning device
摘要
申请公布号	US2972764(A)	申请公布日期	1961.02.28
申请号	US19580717390	申请日期	1958.02.25
申请人	LINENFELSER ROBERT W	发明人	LINENFELSER ROBERT W.
分类号	A47L11/33	主分类号	A47L11/33
代理机构		代理人
主权项
地址

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