Improvements in typewriters,申请号GB19560018764-传众专利搜索

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发明名称	Improvements in typewriters
摘要
申请公布号	GB828535(A)	申请公布日期	1960.02.17
申请号	GB19560018764	申请日期	1956.06.18
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人
分类号	B41J2/27	主分类号	B41J2/27
代理机构		代理人
主权项
地址

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