Improvements in rail-joints for railways,申请号GB19310016673-传众专利搜索

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发明名称	Improvements in rail-joints for railways
摘要
申请公布号	GB363288(A)	申请公布日期	1931.12.17
申请号	GB19310016673	申请日期	1931.06.08
申请人	EDUARD ROLSHOVEN	发明人
分类号	E01B11/58	主分类号	E01B11/58
代理机构		代理人
主权项
地址

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