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发明名称
Method and apparatus for insertion of rockbolts
摘要
申请公布号
AUPP955399(D0)
申请公布日期
1999.04.29
申请号
AU1999PP09553
申请日期
1999.03.31
申请人
HYDRAMATIC ENGINEERING PTY. LTD.
发明人
分类号
E21D20/00;E21D20/02
主分类号
E21D20/00
代理机构
代理人
主权项
地址
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