Keyboard for a shorthand or stenographic typewriting machine,申请号GB19370035907-传众专利搜索

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发明名称	Keyboard for a shorthand or stenographic typewriting machine
摘要
申请公布号	GB490731(A)	申请公布日期	1938.08.19
申请号	GB19370035907	申请日期	1937.12.28
申请人	MARIUS DEN OUTER	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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