JPH01160043U - - Google Patents
Info
- Publication number
- JPH01160043U JPH01160043U JP5660688U JP5660688U JPH01160043U JP H01160043 U JPH01160043 U JP H01160043U JP 5660688 U JP5660688 U JP 5660688U JP 5660688 U JP5660688 U JP 5660688U JP H01160043 U JPH01160043 U JP H01160043U
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- vertical shaft
- manhole cover
- closing device
- cover opening
- 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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988056606U JPH0712439Y2 (ja) | 1988-04-28 | 1988-04-28 | マンホール蓋の開閉装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988056606U JPH0712439Y2 (ja) | 1988-04-28 | 1988-04-28 | マンホール蓋の開閉装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01160043U true JPH01160043U (fi) | 1989-11-07 |
| JPH0712439Y2 JPH0712439Y2 (ja) | 1995-03-22 |
Family
ID=31282477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988056606U Expired - Lifetime JPH0712439Y2 (ja) | 1988-04-28 | 1988-04-28 | マンホール蓋の開閉装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0712439Y2 (fi) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56134953U (fi) * | 1980-03-11 | 1981-10-13 |
-
1988
- 1988-04-28 JP JP1988056606U patent/JPH0712439Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56134953U (fi) * | 1980-03-11 | 1981-10-13 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0712439Y2 (ja) | 1995-03-22 |