JPS6431191U - - Google Patents
Info
- Publication number
- JPS6431191U JPS6431191U JP12462687U JP12462687U JPS6431191U JP S6431191 U JPS6431191 U JP S6431191U JP 12462687 U JP12462687 U JP 12462687U JP 12462687 U JP12462687 U JP 12462687U JP S6431191 U JPS6431191 U JP S6431191U
- Authority
- JP
- Japan
- Prior art keywords
- propulsion
- pipe
- pilot
- leading
- bottom side
- 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 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12462687U JPS6431191U (en]) | 1987-08-17 | 1987-08-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12462687U JPS6431191U (en]) | 1987-08-17 | 1987-08-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6431191U true JPS6431191U (en]) | 1989-02-27 |
Family
ID=31374528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12462687U Pending JPS6431191U (en]) | 1987-08-17 | 1987-08-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6431191U (en]) |
-
1987
- 1987-08-17 JP JP12462687U patent/JPS6431191U/ja active Pending