JPS61202585U - - Google Patents
Info
- Publication number
- JPS61202585U JPS61202585U JP8463485U JP8463485U JPS61202585U JP S61202585 U JPS61202585 U JP S61202585U JP 8463485 U JP8463485 U JP 8463485U JP 8463485 U JP8463485 U JP 8463485U JP S61202585 U JPS61202585 U JP S61202585U
- Authority
- JP
- Japan
- Prior art keywords
- propulsion
- utility
- model registration
- section
- drilling
- 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 7
- 238000000034 method Methods 0.000 claims 8
- 239000004576 sand Substances 0.000 claims 2
- 239000002689 soil Substances 0.000 claims 2
- 238000001125 extrusion Methods 0.000 description 3
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8463485U JPS61202585U (en]) | 1985-06-06 | 1985-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8463485U JPS61202585U (en]) | 1985-06-06 | 1985-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61202585U true JPS61202585U (en]) | 1986-12-19 |
Family
ID=30634316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8463485U Pending JPS61202585U (en]) | 1985-06-06 | 1985-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61202585U (en]) |
-
1985
- 1985-06-06 JP JP8463485U patent/JPS61202585U/ja active Pending
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