Track turnout or the like,申请号US19340709343-传众专利搜索

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发明名称	Track turnout or the like
摘要
申请公布号	US1996718(A)	申请公布日期	1935.04.02
申请号	US19340709343	申请日期	1934.02.01
申请人	THE PENNSYLVANIA RAILROAD COMPANY	发明人	CARUTHERS EUGENE W.
分类号	E01B7/00	主分类号	E01B7/00
代理机构		代理人
主权项
地址

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