Improvements in or relating to door knockers,申请号GB19520025797-传众专利搜索

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发明名称	Improvements in or relating to door knockers
摘要
申请公布号	GB722383(A)	申请公布日期	1955.01.26
申请号	GB19520025797	申请日期	1952.10.15
申请人	LYNDON BRASSFOUNDERS LIMITED	发明人	TURNER SYDNEY CHARLES
分类号	G10K3/00	主分类号	G10K3/00
代理机构		代理人
主权项
地址

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