Improvements in typewriter masks,申请号GB19390009221-传众专利搜索

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发明名称	Improvements in typewriter masks
摘要
申请公布号	GB526639(A)	申请公布日期	1940.09.23
申请号	GB19390009221	申请日期	1939.03.23
申请人	OLYMPIA BUEROMASCHINENWERKE AKTIENGESELLSCHAFT	发明人
分类号	B41J29/02	主分类号	B41J29/02
代理机构		代理人
主权项
地址

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