JPS6285311U - - Google Patents
Info
- Publication number
- JPS6285311U JPS6285311U JP17734185U JP17734185U JPS6285311U JP S6285311 U JPS6285311 U JP S6285311U JP 17734185 U JP17734185 U JP 17734185U JP 17734185 U JP17734185 U JP 17734185U JP S6285311 U JPS6285311 U JP S6285311U
- Authority
- JP
- Japan
- Prior art keywords
- drill
- predetermined position
- drilling
- depth
- utility
- 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 1
Landscapes
- Drilling Tools (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17734185U JPS6285311U (zh) | 1985-11-18 | 1985-11-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17734185U JPS6285311U (zh) | 1985-11-18 | 1985-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6285311U true JPS6285311U (zh) | 1987-05-30 |
Family
ID=31118456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17734185U Pending JPS6285311U (zh) | 1985-11-18 | 1985-11-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6285311U (zh) |
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1985
- 1985-11-18 JP JP17734185U patent/JPS6285311U/ja active Pending