Line indicator or copyholder for typists,申请号US19340720845-传众专利搜索

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发明名称	Line indicator or copyholder for typists
摘要
申请公布号	US2005721(A)	申请公布日期	1935.06.25
申请号	US19340720845	申请日期	1934.04.16
申请人	RUDOLF JOKSCH	发明人	JOKSCH RUDOLF
分类号	B41J29/15	主分类号	B41J29/15
代理机构		代理人
主权项
地址

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