JPS6326468Y2 - - Google Patents
Info
- Publication number
- JPS6326468Y2 JPS6326468Y2 JP14340884U JP14340884U JPS6326468Y2 JP S6326468 Y2 JPS6326468 Y2 JP S6326468Y2 JP 14340884 U JP14340884 U JP 14340884U JP 14340884 U JP14340884 U JP 14340884U JP S6326468 Y2 JPS6326468 Y2 JP S6326468Y2
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- hole
- pipe
- gas
- wall
- 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
- 238000013022 venting Methods 0.000 claims description 10
- 239000004575 stone Substances 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 241001148470 aerobic bacillus Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Sewage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14340884U JPS6326468Y2 (ko) | 1984-09-20 | 1984-09-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14340884U JPS6326468Y2 (ko) | 1984-09-20 | 1984-09-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6158292U JPS6158292U (ko) | 1986-04-19 |
| JPS6326468Y2 true JPS6326468Y2 (ko) | 1988-07-18 |
Family
ID=30701706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14340884U Expired JPS6326468Y2 (ko) | 1984-09-20 | 1984-09-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6326468Y2 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700546A (zh) * | 2017-09-20 | 2018-02-16 | 温州宇洲建设有限公司 | 一种市政管道检查井的新型通风装置及其使用方法 |
-
1984
- 1984-09-20 JP JP14340884U patent/JPS6326468Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700546A (zh) * | 2017-09-20 | 2018-02-16 | 温州宇洲建设有限公司 | 一种市政管道检查井的新型通风装置及其使用方法 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6158292U (ko) | 1986-04-19 |
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