Improvements in typewriting machines,申请号GB19430002586-传众专利搜索

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发明名称	Improvements in typewriting machines
摘要
申请公布号	GB555115(A)	申请公布日期	1943.08.04
申请号	GB19430002586	申请日期	1942.07.30
申请人	ROYAL TYPEWRITER COMPANY, INC.	发明人
分类号	B41J7/30;B41J7/92	主分类号	B41J7/30
代理机构		代理人
主权项
地址

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