Improvements in or relating to insulated railway rail joints,申请号GB19460035829-传众专利搜索

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发明名称	Improvements in or relating to insulated railway rail joints
摘要
申请公布号	GB618758(A)	申请公布日期	1949.02.25
申请号	GB19460035829	申请日期	1946.12.03
申请人	LONDON PASSENGER TRANSPORT BOARD;CEDRIC ETHELWULF DUNTON	发明人
分类号	E01B11/54	主分类号	E01B11/54
代理机构		代理人
主权项
地址

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