JPS63156290U - - Google Patents
Info
- Publication number
- JPS63156290U JPS63156290U JP4568487U JP4568487U JPS63156290U JP S63156290 U JPS63156290 U JP S63156290U JP 4568487 U JP4568487 U JP 4568487U JP 4568487 U JP4568487 U JP 4568487U JP S63156290 U JPS63156290 U JP S63156290U
- Authority
- JP
- Japan
- Prior art keywords
- pilot
- underground
- pipe
- main body
- small diameter
- 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 |
|---|---|---|---|
| JP4568487U JPS63156290U (en, 2012) | 1987-03-30 | 1987-03-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4568487U JPS63156290U (en, 2012) | 1987-03-30 | 1987-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63156290U true JPS63156290U (en, 2012) | 1988-10-13 |
Family
ID=30864645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4568487U Pending JPS63156290U (en, 2012) | 1987-03-30 | 1987-03-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63156290U (en, 2012) |
-
1987
- 1987-03-30 JP JP4568487U patent/JPS63156290U/ja active Pending