Machine for simultaneously printing words and figures,申请号US19220551439-传众专利搜索

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发明名称	Machine for simultaneously printing words and figures
摘要
申请公布号	US1747559(A)	申请公布日期	1930.02.18
申请号	US19220551439	申请日期	1922.04.10
申请人	THE INVICTA WRITER, INC.	发明人	WARD EDWARD JOHN
分类号	B41J7/90	主分类号	B41J7/90
代理机构		代理人
主权项
地址

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