Improvements in or relating to typewriting machines,申请号GB19410016164-传众专利搜索

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发明名称	Improvements in or relating to typewriting machines
摘要
申请公布号	GB550766(A)	申请公布日期	1943.01.22
申请号	GB19410016164	申请日期	1941.12.15
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人
分类号	B41J7/90;B41J23/12	主分类号	B41J7/90
代理机构		代理人
主权项
地址

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