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发明名称
SOIL REMOVER FOR UNDERGROUND PIPE LAYER
摘要
申请公布号
KR100557266(B1)
申请公布日期
2006.03.07
申请号
KR20040015047
申请日期
2004.03.05
申请人
发明人
分类号
E21D9/12
主分类号
E21D9/12
代理机构
代理人
主权项
地址
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