| 发明名称 |
COMBINATION OF CONVENTIONAL OR SUPERIMPOSED PERCUSSIVE SLOT-CUTTING TOOLS |
| 摘要 |
A combination of conventional or superimposed percussive slot-cutting tools for creating slots and grooves, with eccentric, superimposed percussive, counterbalanced planar milling tools for excavating floors, walls, rocks, minerals and the like. |
| 申请公布号 |
CA2245148(A1) |
申请公布日期 |
1999.02.18 |
| 申请号 |
CA19982245148 |
申请日期 |
1998.08.18 |
| 申请人 |
HANNELORE BECHEM |
发明人 |
BECHEM, PHILIP;BECHEM, KLAUS;BECHEM, ULRICH |
| 分类号 |
B23D47/08;B28D1/04;B28D1/18;E21C25/52;E21D9/10;(IPC1-7):B23C5/08 |
主分类号 |
B23D47/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
