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发明名称
A FLOATING SLAB TRACK BED
摘要
申请公布号
KR100883571(B1)
申请公布日期
2009.02.17
申请号
KR20077004247
申请日期
2007.02.22
申请人
发明人
分类号
E01B19/00;E01B1/00
主分类号
E01B19/00
代理机构
代理人
主权项
地址
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