| 发明名称 |
MOBILE GROOVE MACHINE FOR DRILLING MICROTUNNEL, TUNNEL AND WELLS AND A DEEP DRILLING MACHINE PROVIDED WITH A RE-ENTRANT SUPERIMPOSED IMPACT TOOL |
| 摘要 |
The invention relates to a microtunnel, tunnel and well mobile groove drilling machine and deep drilling machine provided with a re-entrant superimposed impact tool |
| 申请公布号 |
WO2006012907(A1) |
申请公布日期 |
2006.02.09 |
| 申请号 |
WO2004EP08333 |
申请日期 |
2004.07.28 |
| 申请人 |
BECHEM, HANNELORE;BECHEM, KARL-GUENTER |
发明人 |
BECHEM, KARL-GUENTER |
| 分类号 |
E21D9/10 |
主分类号 |
E21D9/10 |
| 代理机构 |
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