JPS63119002U - - Google Patents
Info
- Publication number
- JPS63119002U JPS63119002U JP1227087U JP1227087U JPS63119002U JP S63119002 U JPS63119002 U JP S63119002U JP 1227087 U JP1227087 U JP 1227087U JP 1227087 U JP1227087 U JP 1227087U JP S63119002 U JPS63119002 U JP S63119002U
- Authority
- JP
- Japan
- Prior art keywords
- drill pit
- pit
- cut
- utility
- scope
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Drilling Tools (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1227087U JPS63119002U (cs) | 1987-01-29 | 1987-01-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1227087U JPS63119002U (cs) | 1987-01-29 | 1987-01-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63119002U true JPS63119002U (cs) | 1988-08-01 |
Family
ID=30800242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1227087U Pending JPS63119002U (cs) | 1987-01-29 | 1987-01-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63119002U (cs) |
-
1987
- 1987-01-29 JP JP1227087U patent/JPS63119002U/ja active Pending