Improvements in or relating to electric heaters for railway permanent way systems,申请号GB19610012459-传众专利搜索

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发明名称	Improvements in or relating to electric heaters for railway permanent way systems
摘要
申请公布号	GB957444(A)	申请公布日期	1964.05.06
申请号	GB19610012459	申请日期	1961.04.06
申请人	GEO. BRAY & CO. LIMITED;BRITISH RAILWAYS BOARD	发明人	COATES ARTHUR;RUSSELL GORDON BROOKE;BIRCHENHOUGH HERBERT
分类号	E01B7/24	主分类号	E01B7/24
代理机构		代理人
主权项
地址

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