JPS61102625U - - Google Patents
Info
- Publication number
- JPS61102625U JPS61102625U JP18795584U JP18795584U JPS61102625U JP S61102625 U JPS61102625 U JP S61102625U JP 18795584 U JP18795584 U JP 18795584U JP 18795584 U JP18795584 U JP 18795584U JP S61102625 U JPS61102625 U JP S61102625U
- Authority
- JP
- Japan
- Prior art keywords
- valleys
- peaks
- corrugated
- wall
- cylindrical inner
- 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
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18795584U JPS61102625U (zh) | 1984-12-10 | 1984-12-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18795584U JPS61102625U (zh) | 1984-12-10 | 1984-12-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61102625U true JPS61102625U (zh) | 1986-06-30 |
Family
ID=30745430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18795584U Pending JPS61102625U (zh) | 1984-12-10 | 1984-12-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61102625U (zh) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS442923Y1 (zh) * | 1966-07-07 | 1969-02-03 |
-
1984
- 1984-12-10 JP JP18795584U patent/JPS61102625U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS442923Y1 (zh) * | 1966-07-07 | 1969-02-03 |