| 发明名称 |
ROCK DRILL |
| 摘要 |
A rock drill (10) which includes a main body (16) with a chamber (38; 38A) w hich is formed in the main body at a first end of the main body, and a rotation module (14) which includes a gear housing (28), at least the gear housing (28) being mounted in the chambe r (38; 38A).
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| 申请公布号 |
CA2160995(A1) |
申请公布日期 |
1994.10.27 |
| 申请号 |
CA19942160995 |
申请日期 |
1994.04.21 |
| 申请人 |
LEPPANEN, JARMO UOLEVI;BRIGGS, ROGER ROBARTS |
发明人 |
LEPPANEN, JARMO UOLEVI;BRIGGS, ROGER ROBARTS |
| 分类号 |
B25D16/00;B28D1/14;B28D1/26;E21B1/00;E21B1/26;E21B6/00;E21B19/24;(IPC1-7):E21B6/00;B25F5/02 |
主分类号 |
B25D16/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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