A new or improved signalling device for use on tables of restaurants or the like,申请号GB19300003858-传众专利搜索

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发明名称	A new or improved signalling device for use on tables of restaurants or the like
摘要
申请公布号	GB347333(A)	申请公布日期	1931.04.30
申请号	GB19300003858	申请日期	1930.02.05
申请人	JOHN CHARLES SIDNEY BRANSON;MAY BRANSON	发明人
分类号	G08B5/36	主分类号	G08B5/36
代理机构		代理人
主权项
地址

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