Improvements in indicator lights,申请号GB19510016965-传众专利搜索

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发明名称	Improvements in indicator lights
摘要
申请公布号	GB720171(A)	申请公布日期	1954.12.15
申请号	GB19510016965	申请日期	1951.07.17
申请人	H. S. B. MEAKIN LIMITED	发明人
分类号	G02B27/28	主分类号	G02B27/28
代理机构		代理人
主权项
地址

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