JPH0497943U - - Google Patents
Info
- Publication number
- JPH0497943U JPH0497943U JP38291U JP38291U JPH0497943U JP H0497943 U JPH0497943 U JP H0497943U JP 38291 U JP38291 U JP 38291U JP 38291 U JP38291 U JP 38291U JP H0497943 U JPH0497943 U JP H0497943U
- Authority
- JP
- Japan
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1991000382U JP2540963Y2 (en) | 1991-01-10 | 1991-01-10 | Pressure relief type iron cover for manhole |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1991000382U JP2540963Y2 (en) | 1991-01-10 | 1991-01-10 | Pressure relief type iron cover for manhole |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0497943U true JPH0497943U (en) | 1992-08-25 |
JP2540963Y2 JP2540963Y2 (en) | 1997-07-09 |
Family
ID=11472253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1991000382U Expired - Lifetime JP2540963Y2 (en) | 1991-01-10 | 1991-01-10 | Pressure relief type iron cover for manhole |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2540963Y2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0671541U (en) * | 1991-05-17 | 1994-10-07 | 東京電力株式会社 | Explosion-proof locking mechanism for lids in handholes, etc. |
JP2002106051A (en) * | 2000-09-27 | 2002-04-10 | Maezawa Kasei Ind Co Ltd | Repair method and repair pit for existing manhole |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5571756U (en) * | 1978-11-13 | 1980-05-17 |
-
1991
- 1991-01-10 JP JP1991000382U patent/JP2540963Y2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5571756U (en) * | 1978-11-13 | 1980-05-17 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0671541U (en) * | 1991-05-17 | 1994-10-07 | 東京電力株式会社 | Explosion-proof locking mechanism for lids in handholes, etc. |
JP2002106051A (en) * | 2000-09-27 | 2002-04-10 | Maezawa Kasei Ind Co Ltd | Repair method and repair pit for existing manhole |
Also Published As
Publication number | Publication date |
---|---|
JP2540963Y2 (en) | 1997-07-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
EXPY | Cancellation because of completion of term |