Suction cleaning apparatus,申请号US19400315464-传众专利搜索

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发明名称	Suction cleaning apparatus
摘要
申请公布号	US2334732(A)	申请公布日期	1943.11.23
申请号	US19400315464	申请日期	1940.01.25
申请人	WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY	发明人	TAYLOR CHARLES H.
分类号	A47L5/34	主分类号	A47L5/34
代理机构		代理人
主权项
地址

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