JPS6222086U - - Google Patents
Info
- Publication number
- JPS6222086U JPS6222086U JP11421485U JP11421485U JPS6222086U JP S6222086 U JPS6222086 U JP S6222086U JP 11421485 U JP11421485 U JP 11421485U JP 11421485 U JP11421485 U JP 11421485U JP S6222086 U JPS6222086 U JP S6222086U
- Authority
- JP
- Japan
- Prior art keywords
- preliminary
- drilling machine
- rotary leader
- rotary
- leader
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005553 drilling Methods 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims 3
- 238000009527 percussion Methods 0.000 claims 1
Landscapes
- Percussive Tools And Related Accessories (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11421485U JPS6222086U (hu) | 1985-07-25 | 1985-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11421485U JPS6222086U (hu) | 1985-07-25 | 1985-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6222086U true JPS6222086U (hu) | 1987-02-10 |
Family
ID=30996743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11421485U Pending JPS6222086U (hu) | 1985-07-25 | 1985-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6222086U (hu) |
-
1985
- 1985-07-25 JP JP11421485U patent/JPS6222086U/ja active Pending
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