Surface cleaning tool with pressure and floating brushes,申请号US19550505691-传众专利搜索

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发明名称	Surface cleaning tool with pressure and floating brushes
摘要
申请公布号	US2842792(A)	申请公布日期	1958.07.15
申请号	US19550505691	申请日期	1955.05.03
申请人	THE HOOVER COMPANY	发明人	COONS CURTIS C.
分类号	A47L9/06	主分类号	A47L9/06
代理机构		代理人
主权项
地址

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