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发明名称
WANGJA type tie for railroad
摘要
申请公布号
KR20120006917(U)
申请公布日期
2012.10.10
申请号
KR20110002613U
申请日期
2011.03.29
申请人
发明人
分类号
E01B3/34;E01B3/28
主分类号
E01B3/34
代理机构
代理人
主权项
地址
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