Electric rail switch and control system,申请号US19620234993-传众专利搜索

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发明名称	Electric rail switch and control system
摘要
申请公布号	US3219816(A)	申请公布日期	1965.11.23
申请号	US19620234993	申请日期	1962.11.02
申请人	ALBERTSON JR FRED W;ALBERTSON SR FRED W	发明人	JR. FRED W. ALBERTSON,;SR. FRED W. ALBERTSON,
分类号	A63H19/32	主分类号	A63H19/32
代理机构		代理人
主权项
地址

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