JPH01154737U - - Google Patents
Info
- Publication number
- JPH01154737U JPH01154737U JP4635088U JP4635088U JPH01154737U JP H01154737 U JPH01154737 U JP H01154737U JP 4635088 U JP4635088 U JP 4635088U JP 4635088 U JP4635088 U JP 4635088U JP H01154737 U JPH01154737 U JP H01154737U
- Authority
- JP
- Japan
- Prior art keywords
- lid
- inspection
- frame
- ceiling
- frame portion
- 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
- 238000007689 inspection Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims 2
- 229920005989 resin Polymers 0.000 claims 2
Landscapes
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Closures For Containers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988046350U JPH0721718Y2 (ja) | 1988-04-05 | 1988-04-05 | 天井点検蓋装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988046350U JPH0721718Y2 (ja) | 1988-04-05 | 1988-04-05 | 天井点検蓋装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01154737U true JPH01154737U (en:Method) | 1989-10-24 |
| JPH0721718Y2 JPH0721718Y2 (ja) | 1995-05-17 |
Family
ID=31272622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988046350U Expired - Lifetime JPH0721718Y2 (ja) | 1988-04-05 | 1988-04-05 | 天井点検蓋装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0721718Y2 (en:Method) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5727606U (en:Method) * | 1980-07-23 | 1982-02-13 |
-
1988
- 1988-04-05 JP JP1988046350U patent/JPH0721718Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5727606U (en:Method) * | 1980-07-23 | 1982-02-13 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0721718Y2 (ja) | 1995-05-17 |