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发明名称
EMBANKMENT BLOCK HAVING RING TYPE JOINT
摘要
申请公布号
KR100709172(B1)
申请公布日期
2007.04.18
申请号
KR20040085347
申请日期
2004.10.25
申请人
发明人
分类号
E02B3/14
主分类号
E02B3/14
代理机构
代理人
主权项
地址
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