Vacuum cleaner nozzle,申请号US19540406844-传众专利搜索

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发明名称	Vacuum cleaner nozzle
摘要
申请公布号	US2740153(A)	申请公布日期	1956.04.03
申请号	US19540406844	申请日期	1954.01.28
申请人	R. L. HAMILTON	发明人	BISHOP JERRY W.
分类号	A47L9/02	主分类号	A47L9/02
代理机构		代理人
主权项
地址

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