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发明名称
Rock bolt
摘要
申请公布号
AU2005246927(A1)
申请公布日期
2006.07.06
申请号
AU20050246927
申请日期
2005.12.19
申请人
DYWIDAG-SYSTEMS INTERNATIONAL PTY LIMITED
发明人
MIECZYSLAW STANISLAW RATAJ;ANDREW BOYCHUK
分类号
E21D21/00
主分类号
E21D21/00
代理机构
代理人
主权项
地址
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