Improvements in or relating to double-conductor trolley systems for electric vehicles,申请号GB19360032172-传众专利搜索

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发明名称	Improvements in or relating to double-conductor trolley systems for electric vehicles
摘要
申请公布号	GB485760(A)	申请公布日期	1938.05.24
申请号	GB19360032172	申请日期	1936.11.24
申请人	R. ROY HOLDEN INC.	发明人
分类号	B60M1/14	主分类号	B60M1/14
代理机构		代理人
主权项
地址

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