JPH0161091U - - Google Patents
Info
- Publication number
- JPH0161091U JPH0161091U JP15787887U JP15787887U JPH0161091U JP H0161091 U JPH0161091 U JP H0161091U JP 15787887 U JP15787887 U JP 15787887U JP 15787887 U JP15787887 U JP 15787887U JP H0161091 U JPH0161091 U JP H0161091U
- Authority
- JP
- Japan
- Prior art keywords
- plate
- protection
- frame
- manhole cover
- protective plate
- 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
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987157878U JPH055187Y2 (https=) | 1987-10-14 | 1987-10-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987157878U JPH055187Y2 (https=) | 1987-10-14 | 1987-10-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0161091U true JPH0161091U (https=) | 1989-04-18 |
| JPH055187Y2 JPH055187Y2 (https=) | 1993-02-10 |
Family
ID=31437706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987157878U Expired - Lifetime JPH055187Y2 (https=) | 1987-10-14 | 1987-10-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH055187Y2 (https=) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5240014U (https=) * | 1975-09-16 | 1977-03-22 | ||
| JPS5634632U (https=) * | 1979-08-21 | 1981-04-04 |
-
1987
- 1987-10-14 JP JP1987157878U patent/JPH055187Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5240014U (https=) * | 1975-09-16 | 1977-03-22 | ||
| JPS5634632U (https=) * | 1979-08-21 | 1981-04-04 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH055187Y2 (https=) | 1993-02-10 |