JPS6220520Y2 - - Google Patents
Info
- Publication number
- JPS6220520Y2 JPS6220520Y2 JP4860183U JP4860183U JPS6220520Y2 JP S6220520 Y2 JPS6220520 Y2 JP S6220520Y2 JP 4860183 U JP4860183 U JP 4860183U JP 4860183 U JP4860183 U JP 4860183U JP S6220520 Y2 JPS6220520 Y2 JP S6220520Y2
- Authority
- JP
- Japan
- Prior art keywords
- ring
- outer ring
- road surface
- inner ring
- seat
- 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.)
- Expired
Links
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 description 15
- 238000010276 construction Methods 0.000 description 7
- 238000009418 renovation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4860183U JPS59156941U (ja) | 1983-03-31 | 1983-03-31 | 路面補修時のマンホ−ル施蓋装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4860183U JPS59156941U (ja) | 1983-03-31 | 1983-03-31 | 路面補修時のマンホ−ル施蓋装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59156941U JPS59156941U (ja) | 1984-10-22 |
| JPS6220520Y2 true JPS6220520Y2 (fr) | 1987-05-25 |
Family
ID=30179128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4860183U Granted JPS59156941U (ja) | 1983-03-31 | 1983-03-31 | 路面補修時のマンホ−ル施蓋装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59156941U (fr) |
-
1983
- 1983-03-31 JP JP4860183U patent/JPS59156941U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59156941U (ja) | 1984-10-22 |
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