Trolley section insulator,申请号US19460696554-传众专利搜索

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发明名称	Trolley section insulator
摘要
申请公布号	US2492300(A)	申请公布日期	1949.12.27
申请号	US19460696554	申请日期	1946.09.12
申请人	THE OHIO BRASS COMPANY	发明人	LEWIS WARREN J.
分类号	B60M1/18	主分类号	B60M1/18
代理机构		代理人
主权项
地址

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