JPS6158292U - - Google Patents
Info
- Publication number
- JPS6158292U JPS6158292U JP14340884U JP14340884U JPS6158292U JP S6158292 U JPS6158292 U JP S6158292U JP 14340884 U JP14340884 U JP 14340884U JP 14340884 U JP14340884 U JP 14340884U JP S6158292 U JPS6158292 U JP S6158292U
- Authority
- JP
- Japan
- Prior art keywords
- gas venting
- manhole
- hole
- pipe
- venting device
- 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
- 238000013022 venting Methods 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
Landscapes
- Sewage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14340884U JPS6326468Y2 (en:Method) | 1984-09-20 | 1984-09-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14340884U JPS6326468Y2 (en:Method) | 1984-09-20 | 1984-09-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6158292U true JPS6158292U (en:Method) | 1986-04-19 |
| JPS6326468Y2 JPS6326468Y2 (en:Method) | 1988-07-18 |
Family
ID=30701706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14340884U Expired JPS6326468Y2 (en:Method) | 1984-09-20 | 1984-09-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6326468Y2 (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700546B (zh) * | 2017-09-20 | 2019-09-24 | 温州宇洲建设有限公司 | 一种市政管道检查井的通风装置及其使用方法 |
-
1984
- 1984-09-20 JP JP14340884U patent/JPS6326468Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6326468Y2 (en:Method) | 1988-07-18 |