Filter unit for vacuum cleaners,申请号US19480027277-传众专利搜索

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发明名称	Filter unit for vacuum cleaners
摘要
申请公布号	US2543556(A)	申请公布日期	1951.02.27
申请号	US19480027277	申请日期	1948.05.15
申请人	SENNE EDGAR P	发明人	SENNE EDGAR P.
分类号	A47L9/14	主分类号	A47L9/14
代理机构		代理人
主权项
地址

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