Brush adjustment for suction cleaners,申请号US19440541140-传众专利搜索

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发明名称	Brush adjustment for suction cleaners
摘要
申请公布号	US2541117(A)	申请公布日期	1951.02.13
申请号	US19440541140	申请日期	1944.06.20
申请人	BIRTMAN ELECTRIC COMPANY	发明人	SPARKLIN CHARLES H.
分类号	A47L5/34	主分类号	A47L5/34
代理机构		代理人
主权项
地址

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