JPH01180593U - - Google Patents
Info
- Publication number
- JPH01180593U JPH01180593U JP7408288U JP7408288U JPH01180593U JP H01180593 U JPH01180593 U JP H01180593U JP 7408288 U JP7408288 U JP 7408288U JP 7408288 U JP7408288 U JP 7408288U JP H01180593 U JPH01180593 U JP H01180593U
- Authority
- JP
- Japan
- Prior art keywords
- target
- pipe
- tube
- level tube
- television camera
- 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.)
- Granted
Links
- 238000009933 burial Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988074082U JPH062093Y2 (ja) | 1988-06-03 | 1988-06-03 | 管埋設装置における進路測定装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988074082U JPH062093Y2 (ja) | 1988-06-03 | 1988-06-03 | 管埋設装置における進路測定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01180593U true JPH01180593U (en]) | 1989-12-26 |
| JPH062093Y2 JPH062093Y2 (ja) | 1994-01-19 |
Family
ID=31299201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988074082U Expired - Lifetime JPH062093Y2 (ja) | 1988-06-03 | 1988-06-03 | 管埋設装置における進路測定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH062093Y2 (en]) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57185913U (en]) * | 1981-05-19 | 1982-11-25 | ||
| JPS62157514A (ja) * | 1985-12-28 | 1987-07-13 | Sanwa Kizai Co Ltd | 小口径管埋設推進機の変位量の計測装置 |
-
1988
- 1988-06-03 JP JP1988074082U patent/JPH062093Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57185913U (en]) * | 1981-05-19 | 1982-11-25 | ||
| JPS62157514A (ja) * | 1985-12-28 | 1987-07-13 | Sanwa Kizai Co Ltd | 小口径管埋設推進機の変位量の計測装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH062093Y2 (ja) | 1994-01-19 |