Improvements in or relating to electric signs of the monogrammic type,申请号GB19290006082-传众专利搜索

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发明名称	Improvements in or relating to electric signs of the monogrammic type
摘要
申请公布号	GB328720(A)	申请公布日期	1930.05.08
申请号	GB19290006082	申请日期	1929.02.25
申请人	WILLIAM DONEGANI	发明人
分类号	G09G3/00	主分类号	G09G3/00
代理机构		代理人
主权项
地址

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