JPH01102277U - - Google Patents
Info
- Publication number
- JPH01102277U JPH01102277U JP19683787U JP19683787U JPH01102277U JP H01102277 U JPH01102277 U JP H01102277U JP 19683787 U JP19683787 U JP 19683787U JP 19683787 U JP19683787 U JP 19683787U JP H01102277 U JPH01102277 U JP H01102277U
- Authority
- JP
- Japan
- Prior art keywords
- groove
- sub
- main
- main groove
- communicates
- 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.)
- Granted
Links
Landscapes
- Sewage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19683787U JPH0421919Y2 (enExample) | 1987-12-24 | 1987-12-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19683787U JPH0421919Y2 (enExample) | 1987-12-24 | 1987-12-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01102277U true JPH01102277U (enExample) | 1989-07-10 |
| JPH0421919Y2 JPH0421919Y2 (enExample) | 1992-05-19 |
Family
ID=31487431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19683787U Expired JPH0421919Y2 (enExample) | 1987-12-24 | 1987-12-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0421919Y2 (enExample) |
-
1987
- 1987-12-24 JP JP19683787U patent/JPH0421919Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0421919Y2 (enExample) | 1992-05-19 |