Apparatus for raising railroad tracks,申请号US19540409729-传众专利搜索

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发明名称	Apparatus for raising railroad tracks
摘要
申请公布号	US2760440(A)	申请公布日期	1956.08.28
申请号	US19540409729	申请日期	1954.02.11
申请人	KERSHAW MANUFACTURING COMPANY, INC.	发明人	KERSHAW ROYCE GIDEON
分类号	E01B29/04	主分类号	E01B29/04
代理机构		代理人
主权项
地址

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