JPH01174484U - - Google Patents
Info
- Publication number
- JPH01174484U JPH01174484U JP6577788U JP6577788U JPH01174484U JP H01174484 U JPH01174484 U JP H01174484U JP 6577788 U JP6577788 U JP 6577788U JP 6577788 U JP6577788 U JP 6577788U JP H01174484 U JPH01174484 U JP H01174484U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- lid
- cast iron
- intersection point
- crosspieces
- 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
- 229910001018 Cast iron Inorganic materials 0.000 claims 2
Landscapes
- Road Paving Structures (AREA)
- Sewage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6577788U JPH01174484U (xx) | 1988-05-20 | 1988-05-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6577788U JPH01174484U (xx) | 1988-05-20 | 1988-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01174484U true JPH01174484U (xx) | 1989-12-12 |
Family
ID=31291204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6577788U Pending JPH01174484U (xx) | 1988-05-20 | 1988-05-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01174484U (xx) |
-
1988
- 1988-05-20 JP JP6577788U patent/JPH01174484U/ja active Pending