JPH01128593U - - Google Patents
Info
- Publication number
- JPH01128593U JPH01128593U JP2390788U JP2390788U JPH01128593U JP H01128593 U JPH01128593 U JP H01128593U JP 2390788 U JP2390788 U JP 2390788U JP 2390788 U JP2390788 U JP 2390788U JP H01128593 U JPH01128593 U JP H01128593U
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- flange
- joined
- working
- flange portion
- 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
- 230000002093 peripheral effect Effects 0.000 claims 2
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2390788U JPH0544639Y2 ( ) | 1988-02-26 | 1988-02-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2390788U JPH0544639Y2 ( ) | 1988-02-26 | 1988-02-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01128593U true JPH01128593U ( ) | 1989-09-01 |
| JPH0544639Y2 JPH0544639Y2 ( ) | 1993-11-12 |
Family
ID=31243295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2390788U Expired - Lifetime JPH0544639Y2 ( ) | 1988-02-26 | 1988-02-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0544639Y2 ( ) |
-
1988
- 1988-02-26 JP JP2390788U patent/JPH0544639Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0544639Y2 ( ) | 1993-11-12 |