Loose toner pick-up device,申请号US19570705600-传众专利搜索

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发明名称	Loose toner pick-up device
摘要
申请公布号	US2937390(A)	申请公布日期	1960.05.24
申请号	US19570705600	申请日期	1957.12.27
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人	BOLTON WALLIS D.;OLDENBOOM DERK J.
分类号	G03G21/00	主分类号	G03G21/00
代理机构		代理人
主权项
地址

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