Suction cleaner with nozzle raising means,申请号US19510244793-传众专利搜索

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发明名称	Suction cleaner with nozzle raising means
摘要
申请公布号	US2719319(A)	申请公布日期	1955.10.04
申请号	US19510244793	申请日期	1951.09.01
申请人	THE HOOVER COMPANY	发明人	BRACE GEORGE A.
分类号	A47L5/32	主分类号	A47L5/32
代理机构		代理人
主权项
地址

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