JPS63195179U - - Google Patents
Info
- Publication number
- JPS63195179U JPS63195179U JP8619787U JP8619787U JPS63195179U JP S63195179 U JPS63195179 U JP S63195179U JP 8619787 U JP8619787 U JP 8619787U JP 8619787 U JP8619787 U JP 8619787U JP S63195179 U JPS63195179 U JP S63195179U
- Authority
- JP
- Japan
- Prior art keywords
- underground pipe
- pipe
- rough
- unevenness
- sand
- 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
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8619787U JPS63195179U (en, 2012) | 1987-06-04 | 1987-06-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8619787U JPS63195179U (en, 2012) | 1987-06-04 | 1987-06-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63195179U true JPS63195179U (en, 2012) | 1988-12-15 |
Family
ID=30942288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8619787U Pending JPS63195179U (en, 2012) | 1987-06-04 | 1987-06-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63195179U (en, 2012) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57173129A (en) * | 1981-04-18 | 1982-10-25 | Sumitomo Metal Ind Ltd | Manufacture of metallic pipe coated with plastic with nonslip |
-
1987
- 1987-06-04 JP JP8619787U patent/JPS63195179U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57173129A (en) * | 1981-04-18 | 1982-10-25 | Sumitomo Metal Ind Ltd | Manufacture of metallic pipe coated with plastic with nonslip |