Vacuum cleaner nozzle,申请号US19440540479-传众专利搜索

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发明名称	Vacuum cleaner nozzle
摘要
申请公布号	US2534189(A)	申请公布日期	1950.12.12
申请号	US19440540479	申请日期	1944.06.15
申请人	WRIGHT EDWARD A	发明人	WRIGHT EDWARD A.
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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