Vacuum cleaner nozzle,申请号US19530394951-传众专利搜索

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发明名称	Vacuum cleaner nozzle
摘要
申请公布号	US2805440(A)	申请公布日期	1957.09.10
申请号	US19530394951	申请日期	1953.11.30
申请人	ALFRED HAKANSON	发明人	HAKANSON ALFRED
分类号	A47L9/06	主分类号	A47L9/06
代理机构		代理人
主权项
地址

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