Suction cleaning tool with adjustable brush,申请号US19470743788-传众专利搜索

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发明名称	Suction cleaning tool with adjustable brush
摘要
申请公布号	US2620506(A)	申请公布日期	1952.12.09
申请号	US19470743788	申请日期	1947.04.25
申请人	THE HOOVER COMPANY	发明人	WEILAND EDWARD A.
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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