Improvements in caps or hood adapted to fit over the keys of typewriting machines,申请号GB19310003724-传众专利搜索

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发明名称	Improvements in caps or hood adapted to fit over the keys of typewriting machines
摘要
申请公布号	GB350376(A)	申请公布日期	1931.06.11
申请号	GB19310003724	申请日期	1930.03.29
申请人	GASTON EDWARD WILKINSON	发明人
分类号	B41J5/12	主分类号	B41J5/12
代理机构		代理人
主权项
地址

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