JPS63141242U - - Google Patents
Info
- Publication number
- JPS63141242U JPS63141242U JP3228087U JP3228087U JPS63141242U JP S63141242 U JPS63141242 U JP S63141242U JP 3228087 U JP3228087 U JP 3228087U JP 3228087 U JP3228087 U JP 3228087U JP S63141242 U JPS63141242 U JP S63141242U
- Authority
- JP
- Japan
- Prior art keywords
- manhole cover
- catch
- ventilation hole
- hole
- mountain
- 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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3228087U JPS63141242U (enExample) | 1987-03-05 | 1987-03-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3228087U JPS63141242U (enExample) | 1987-03-05 | 1987-03-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63141242U true JPS63141242U (enExample) | 1988-09-16 |
Family
ID=30838810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3228087U Pending JPS63141242U (enExample) | 1987-03-05 | 1987-03-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63141242U (enExample) |
-
1987
- 1987-03-05 JP JP3228087U patent/JPS63141242U/ja active Pending