JPS622396Y2 - - Google Patents
Info
- Publication number
- JPS622396Y2 JPS622396Y2 JP1980180060U JP18006080U JPS622396Y2 JP S622396 Y2 JPS622396 Y2 JP S622396Y2 JP 1980180060 U JP1980180060 U JP 1980180060U JP 18006080 U JP18006080 U JP 18006080U JP S622396 Y2 JPS622396 Y2 JP S622396Y2
- Authority
- JP
- Japan
- Prior art keywords
- steel pipe
- double steel
- trailing
- double
- rear end
- 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.)
- Expired
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Joints With Sleeves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980180060U JPS622396Y2 (enEXAMPLES) | 1980-12-17 | 1980-12-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980180060U JPS622396Y2 (enEXAMPLES) | 1980-12-17 | 1980-12-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57102782U JPS57102782U (enEXAMPLES) | 1982-06-24 |
| JPS622396Y2 true JPS622396Y2 (enEXAMPLES) | 1987-01-20 |
Family
ID=29976316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1980180060U Expired JPS622396Y2 (enEXAMPLES) | 1980-12-17 | 1980-12-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS622396Y2 (enEXAMPLES) |
-
1980
- 1980-12-17 JP JP1980180060U patent/JPS622396Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57102782U (enEXAMPLES) | 1982-06-24 |
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