| 发明名称 |
BORE-HOLE SHOCK ABSORBER |
| 摘要 |
The bore-hole shock absorber has a shaft, an adapter,a piston, compacting sleeves, a spring-supported element as tubular cylinder with systems of cuts.
|
| 申请公布号 |
UA20646(U) |
申请公布日期 |
2007.02.15 |
| 申请号 |
UA20060003962 |
申请日期 |
2006.04.10 |
| 申请人 |
LIMITED LIABILITY COMPANY "DNIPROPETROVSK DRILLING EQUIPMENT WORKS" |
发明人 |
OSTROVSKYI IHOR ROMANOVYCH;LISNYCHENKO VOLODYMYR ANATOLIIOVYCH;SIRYK VIKTOR FEDOROVYCH;LUTSYK OLEKSANDR SERHIIOVYCH;BEZSONOV IHOR YURIIOVYCH;YAROSH DENYS IVANOVYCH |
| 分类号 |
E21B17/04;(IPC1-7):E21B/04 |
主分类号 |
E21B17/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
