Rail connecting device for concrete ballast track capable of tight installation of prop member,申请号KR20070012113U-传众专利搜索

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发明名称	Rail connecting device for concrete ballast track capable of tight installation of prop member
摘要
申请公布号	KR200442631(Y1)	申请公布日期	2008.11.28
申请号	KR20070012113U	申请日期	2007.07.23
申请人		发明人
分类号	E01B9/62;E01B9/68	主分类号	E01B9/62
代理机构		代理人
主权项
地址

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