Improvements in or relating to current collector heads for trolley poles,申请号GB19330007729-传众专利搜索

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发明名称	Improvements in or relating to current collector heads for trolley poles
摘要
申请公布号	GB413431(A)	申请公布日期	1934.07.19
申请号	GB19330007729	申请日期	1933.03.14
申请人	ESTLER BROTHERS LIMITED;NORMAN ENTWISLE NORTH	发明人
分类号	B60L5/06	主分类号	B60L5/06
代理机构		代理人
主权项
地址

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