Improvements in and relating to trolley wire installations,申请号GB19550016150-传众专利搜索

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发明名称	Improvements in and relating to trolley wire installations
摘要
申请公布号	GB778337(A)	申请公布日期	1957.07.03
申请号	GB19550016150	申请日期	1955.06.06
申请人	EMIL HAEFELY & CIE A.G.	发明人
分类号	B60M1/20	主分类号	B60M1/20
代理机构		代理人
主权项
地址

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