JPH01174487U - - Google Patents
Info
- Publication number
- JPH01174487U JPH01174487U JP6581188U JP6581188U JPH01174487U JP H01174487 U JPH01174487 U JP H01174487U JP 6581188 U JP6581188 U JP 6581188U JP 6581188 U JP6581188 U JP 6581188U JP H01174487 U JPH01174487 U JP H01174487U
- Authority
- JP
- Japan
- Prior art keywords
- drainage
- invert
- main body
- outer peripheral
- peripheral wall
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 3
Landscapes
- Sewage (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6581188U JPH01174487U (pt) | 1988-05-20 | 1988-05-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6581188U JPH01174487U (pt) | 1988-05-20 | 1988-05-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01174487U true JPH01174487U (pt) | 1989-12-12 |
Family
ID=31291237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6581188U Pending JPH01174487U (pt) | 1988-05-20 | 1988-05-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01174487U (pt) |
-
1988
- 1988-05-20 JP JP6581188U patent/JPH01174487U/ja active Pending