JPS6447887U - - Google Patents
Info
- Publication number
- JPS6447887U JPS6447887U JP13942787U JP13942787U JPS6447887U JP S6447887 U JPS6447887 U JP S6447887U JP 13942787 U JP13942787 U JP 13942787U JP 13942787 U JP13942787 U JP 13942787U JP S6447887 U JPS6447887 U JP S6447887U
- Authority
- JP
- Japan
- Prior art keywords
- block
- annular groove
- invert
- outer periphery
- predetermined position
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Sewage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13942787U JPH0332618Y2 (en18) | 1987-09-14 | 1987-09-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13942787U JPH0332618Y2 (en18) | 1987-09-14 | 1987-09-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6447887U true JPS6447887U (en18) | 1989-03-24 |
| JPH0332618Y2 JPH0332618Y2 (en18) | 1991-07-10 |
Family
ID=31402674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13942787U Expired JPH0332618Y2 (en18) | 1987-09-14 | 1987-09-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0332618Y2 (en18) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001032356A (ja) * | 1999-07-26 | 2001-02-06 | Gesuido Shingijutsu Suishin Kiko | 管渠連結部の減勢装置 |
-
1987
- 1987-09-14 JP JP13942787U patent/JPH0332618Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001032356A (ja) * | 1999-07-26 | 2001-02-06 | Gesuido Shingijutsu Suishin Kiko | 管渠連結部の減勢装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0332618Y2 (en18) | 1991-07-10 |