Venetian blind slat-cleaning device,申请号US19560631948-传众专利搜索

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发明名称	Venetian blind slat-cleaning device
摘要
申请公布号	US2896243(A)	申请公布日期	1959.07.28
申请号	US19560631948	申请日期	1956.12.31
申请人	SCHOENFIELD MILTON H;SCHOENFIELD DONALD B	发明人	SCHOENFIELD MILTON H.;SCHOENFIELD DONALD B.
分类号	A47L4/02	主分类号	A47L4/02
代理机构		代理人
主权项
地址

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