JPH02144097U - - Google Patents
Info
- Publication number
- JPH02144097U JPH02144097U JP5257089U JP5257089U JPH02144097U JP H02144097 U JPH02144097 U JP H02144097U JP 5257089 U JP5257089 U JP 5257089U JP 5257089 U JP5257089 U JP 5257089U JP H02144097 U JPH02144097 U JP H02144097U
- Authority
- JP
- Japan
- Prior art keywords
- propulsion
- piping
- soil
- propulsion head
- pilot pipe
- 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
- 239000000463 material Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims 3
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5257089U JPH02144097U (OSRAM) | 1989-05-09 | 1989-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5257089U JPH02144097U (OSRAM) | 1989-05-09 | 1989-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02144097U true JPH02144097U (OSRAM) | 1990-12-06 |
Family
ID=31572981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5257089U Pending JPH02144097U (OSRAM) | 1989-05-09 | 1989-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02144097U (OSRAM) |
-
1989
- 1989-05-09 JP JP5257089U patent/JPH02144097U/ja active Pending