Typewriter ribbon and ink composition therefor,申请号US19340754312-传众专利搜索

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发明名称	Typewriter ribbon and ink composition therefor
摘要
申请公布号	US2103275(A)	申请公布日期	1937.12.28
申请号	US19340754312	申请日期	1934.11.22
申请人	SCHAEFER GEORGE W	发明人	SCHAEFER GEORGE W.
分类号	B41J31/12	主分类号	B41J31/12
代理机构		代理人
主权项
地址

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