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发明名称
Multipurpose Fixing Device of Rock-Bolt
摘要
申请公布号
KR100998589(B1)
申请公布日期
2010.12.07
申请号
KR20080039167
申请日期
2008.04.28
申请人
发明人
分类号
E02D5/80;E01F7/04;E02D17/20;E21D21/00
主分类号
E02D5/80
代理机构
代理人
主权项
地址
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