JPH0175159U - - Google Patents
Info
- Publication number
- JPH0175159U JPH0175159U JP1988148909U JP14890988U JPH0175159U JP H0175159 U JPH0175159 U JP H0175159U JP 1988148909 U JP1988148909 U JP 1988148909U JP 14890988 U JP14890988 U JP 14890988U JP H0175159 U JPH0175159 U JP H0175159U
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- lifting
- wall
- pair
- reversing holes
- 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 description 2
- 230000005484 gravity Effects 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988148909U JPH0447250Y2 (en]) | 1988-11-15 | 1988-11-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988148909U JPH0447250Y2 (en]) | 1988-11-15 | 1988-11-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0175159U true JPH0175159U (en]) | 1989-05-22 |
| JPH0447250Y2 JPH0447250Y2 (en]) | 1992-11-09 |
Family
ID=31420654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988148909U Expired JPH0447250Y2 (en]) | 1988-11-15 | 1988-11-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0447250Y2 (en]) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5420841U (en]) * | 1977-07-13 | 1979-02-09 | ||
| JPS583884U (ja) * | 1981-06-30 | 1983-01-11 | 松下電工株式会社 | 遮音カ−テン |
-
1988
- 1988-11-15 JP JP1988148909U patent/JPH0447250Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5420841U (en]) * | 1977-07-13 | 1979-02-09 | ||
| JPS583884U (ja) * | 1981-06-30 | 1983-01-11 | 松下電工株式会社 | 遮音カ−テン |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0447250Y2 (en]) | 1992-11-09 |