Surface cleaning tool,申请号US19550529753-传众专利搜索

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发明名称	Surface cleaning tool
摘要
申请公布号	US2850757(A)	申请公布日期	1958.09.09
申请号	US19550529753	申请日期	1955.08.22
申请人	THE HOOVER COMPANY	发明人	DUFF JACK E.
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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