A display device using liquid bubbles in another liquid,申请号GB19500031114-传众专利搜索

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发明名称	A display device using liquid bubbles in another liquid
摘要
申请公布号	GB703924(A)	申请公布日期	1954.02.10
申请号	GB19500031114	申请日期	1950.12.21
申请人	DONALD DUNNET	发明人
分类号	G09F13/24	主分类号	G09F13/24
代理机构		代理人
主权项
地址

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