Manifolding attachment for typewriters,申请号US19340753186-传众专利搜索

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发明名称	Manifolding attachment for typewriters
摘要
申请公布号	US2069659(A)	申请公布日期	1937.02.02
申请号	US19340753186	申请日期	1934.11.15
申请人	THE HAMILTON AUTOGRAPHIE REGISTER COMPANY	发明人	ROOSEVELT MARCUS S.
分类号	B41J17/00	主分类号	B41J17/00
代理机构		代理人
主权项
地址

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