JPS61122479U - - Google Patents
Info
- Publication number
- JPS61122479U JPS61122479U JP604785U JP604785U JPS61122479U JP S61122479 U JPS61122479 U JP S61122479U JP 604785 U JP604785 U JP 604785U JP 604785 U JP604785 U JP 604785U JP S61122479 U JPS61122479 U JP S61122479U
- Authority
- JP
- Japan
- Prior art keywords
- main body
- diameter
- small
- buried pipe
- self
- 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
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985006047U JPH0247345Y2 (da) | 1985-01-19 | 1985-01-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985006047U JPH0247345Y2 (da) | 1985-01-19 | 1985-01-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61122479U true JPS61122479U (da) | 1986-08-01 |
| JPH0247345Y2 JPH0247345Y2 (da) | 1990-12-12 |
Family
ID=30483124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985006047U Expired JPH0247345Y2 (da) | 1985-01-19 | 1985-01-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0247345Y2 (da) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54150718A (en) * | 1978-05-19 | 1979-11-27 | Mitsubishi Chem Ind Ltd | Pipe inner-side moving device |
-
1985
- 1985-01-19 JP JP1985006047U patent/JPH0247345Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54150718A (en) * | 1978-05-19 | 1979-11-27 | Mitsubishi Chem Ind Ltd | Pipe inner-side moving device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0247345Y2 (da) | 1990-12-12 |