Vacuum cleaner,申请号US19400316337-传众专利搜索

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发明名称	Vacuum cleaner
摘要
申请公布号	US2254667(A)	申请公布日期	1941.09.02
申请号	US19400316337	申请日期	1940.01.30
申请人	WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY	发明人	TAYLOR CHARLES H.
分类号	A47L9/32	主分类号	A47L9/32
代理机构		代理人
主权项
地址

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