JPS6447849U - - Google Patents
Info
- Publication number
- JPS6447849U JPS6447849U JP14351587U JP14351587U JPS6447849U JP S6447849 U JPS6447849 U JP S6447849U JP 14351587 U JP14351587 U JP 14351587U JP 14351587 U JP14351587 U JP 14351587U JP S6447849 U JPS6447849 U JP S6447849U
- Authority
- JP
- Japan
- Prior art keywords
- manhole cover
- basic structure
- base body
- prevent
- basic
- 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.)
- Pending
Links
- 238000006073 displacement reaction Methods 0.000 claims 1
Landscapes
- Sewage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14351587U JPS6447849U (OSRAM) | 1987-09-19 | 1987-09-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14351587U JPS6447849U (OSRAM) | 1987-09-19 | 1987-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6447849U true JPS6447849U (OSRAM) | 1989-03-24 |
Family
ID=31410407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14351587U Pending JPS6447849U (OSRAM) | 1987-09-19 | 1987-09-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6447849U (OSRAM) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5037176U (OSRAM) * | 1973-07-30 | 1975-04-18 | ||
| JPS59187924A (ja) * | 1983-04-08 | 1984-10-25 | Yamagami Koatsu Concrete Kk | マンホ−ルの高さ調整方法及び調整リング |
| JPS635088B2 (OSRAM) * | 1983-10-06 | 1988-02-02 | Inoe Kk |
-
1987
- 1987-09-19 JP JP14351587U patent/JPS6447849U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5037176U (OSRAM) * | 1973-07-30 | 1975-04-18 | ||
| JPS59187924A (ja) * | 1983-04-08 | 1984-10-25 | Yamagami Koatsu Concrete Kk | マンホ−ルの高さ調整方法及び調整リング |
| JPS635088B2 (OSRAM) * | 1983-10-06 | 1988-02-02 | Inoe Kk |