Typewriting machine,申请号US19370163738-传众专利搜索

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发明名称	Typewriting machine
摘要
申请公布号	US2206583(A)	申请公布日期	1940.07.02
申请号	US19370163738	申请日期	1937.09.14
申请人	UNDERWOOD ELLIOTT FISHER COMPANY	发明人	SMITH JESSE A. B.
分类号	B41J19/64	主分类号	B41J19/64
代理机构		代理人
主权项
地址

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