Improvements in or relating to railway or tramway rail joints,申请号GB19290005600-传众专利搜索

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发明名称	Improvements in or relating to railway or tramway rail joints
摘要
申请公布号	GB329634(A)	申请公布日期	1930.05.20
申请号	GB19290005600	申请日期	1929.02.20
申请人	GESELLSCHAFT FUER WIRTSCHAFTLICHEN BAHNOBERBAU MIT BESCHRAENKTER HAFTUNG	发明人
分类号	E01B11/50	主分类号	E01B11/50
代理机构		代理人
主权项
地址

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