Improved fastening spikes for use in the laying of railway tracks,申请号GB19550020617-传众专利搜索

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发明名称	Improved fastening spikes for use in the laying of railway tracks
摘要
申请公布号	GB778439(A)	申请公布日期	1957.07.10
申请号	GB19550020617	申请日期	1955.07.15
申请人	LOCKSPIKE LIMITED	发明人
分类号	E01B9/08	主分类号	E01B9/08
代理机构		代理人
主权项
地址

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