Vacuum cleaner suction unit,申请号US19540458597-传众专利搜索

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发明名称	Vacuum cleaner suction unit
摘要
申请公布号	US2843314(A)	申请公布日期	1958.07.15
申请号	US19540458597	申请日期	1954.09.27
申请人	WHIRLPOOL CORPORATION	发明人	HANSEN CLARENCE ELLEGAARD
分类号	A47L9/22	主分类号	A47L9/22
代理机构		代理人
主权项
地址

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