An improved rail joint for train, tram and the like lines,申请号GB19520002958-传众专利搜索

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发明名称	An improved rail joint for train, tram and the like lines
摘要
申请公布号	GB715639(A)	申请公布日期	1954.09.15
申请号	GB19520002958	申请日期	1952.02.04
申请人	JONAS E:SON GRONLUND	发明人
分类号	E01B11/32;E01B11/58	主分类号	E01B11/32
代理机构		代理人
主权项
地址

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