JPH0473047U - - Google Patents
Info
- Publication number
- JPH0473047U JPH0473047U JP11491190U JP11491190U JPH0473047U JP H0473047 U JPH0473047 U JP H0473047U JP 11491190 U JP11491190 U JP 11491190U JP 11491190 U JP11491190 U JP 11491190U JP H0473047 U JPH0473047 U JP H0473047U
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical body
- manhole
- ventilation hole
- sealing member
- lid body
- 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
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11491190U JP2516648Y2 (ja) | 1990-10-31 | 1990-10-31 | マンホール蓋 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11491190U JP2516648Y2 (ja) | 1990-10-31 | 1990-10-31 | マンホール蓋 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0473047U true JPH0473047U (fr) | 1992-06-26 |
JP2516648Y2 JP2516648Y2 (ja) | 1996-11-06 |
Family
ID=31862636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11491190U Expired - Lifetime JP2516648Y2 (ja) | 1990-10-31 | 1990-10-31 | マンホール蓋 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2516648Y2 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0665826U (ja) * | 1993-02-23 | 1994-09-16 | 矢崎総業株式会社 | 指示用計器 |
-
1990
- 1990-10-31 JP JP11491190U patent/JP2516648Y2/ja not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0665826U (ja) * | 1993-02-23 | 1994-09-16 | 矢崎総業株式会社 | 指示用計器 |
Also Published As
Publication number | Publication date |
---|---|
JP2516648Y2 (ja) | 1996-11-06 |