Improvements in or relating to keyboards for typewriters,申请号GB19380003912-传众专利搜索

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发明名称	Improvements in or relating to keyboards for typewriters
摘要
申请公布号	GB510548(A)	申请公布日期	1939.08.03
申请号	GB19380003912	申请日期	1938.02.08
申请人	ADOLF MUTHER	发明人
分类号	B41J5/10	主分类号	B41J5/10
代理机构		代理人
主权项
地址

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