The spacing member having within type steel railroad tie for switch and this establishment method,申请号KR20080125884-传众专利搜索

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发明名称	The spacing member having within type steel railroad tie for switch and this establishment method
摘要
申请公布号	KR101040550(B1)	申请公布日期	2011.06.16
申请号	KR20080125884	申请日期	2008.12.11
申请人		发明人
分类号	E01B3/16;E01B7/22;E01B23/06	主分类号	E01B3/16
代理机构		代理人
主权项
地址

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