Improvements in or relating to hand operated indicators for displaying variable information,申请号GB19300003657-传众专利搜索

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发明名称	Improvements in or relating to hand operated indicators for displaying variable information
摘要
申请公布号	GB347324(A)	申请公布日期	1931.04.30
申请号	GB19300003657	申请日期	1930.02.03
申请人	FRANZ XAVER ESTERL	发明人
分类号	G09F7/00	主分类号	G09F7/00
代理机构		代理人
主权项
地址

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