Improvements in signalling devices,申请号GB19610033235-传众专利搜索

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发明名称	Improvements in signalling devices
摘要
申请公布号	GB959600(A)	申请公布日期	1964.06.03
申请号	GB19610033235	申请日期	1961.09.15
申请人	GEORGE PARKIN CATCHPOLE	发明人
分类号	B60Q7/00;F21L19/00	主分类号	B60Q7/00
代理机构		代理人
主权项
地址

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