JPH049399U - - Google Patents
Info
- Publication number
- JPH049399U JPH049399U JP5047090U JP5047090U JPH049399U JP H049399 U JPH049399 U JP H049399U JP 5047090 U JP5047090 U JP 5047090U JP 5047090 U JP5047090 U JP 5047090U JP H049399 U JPH049399 U JP H049399U
- Authority
- JP
- Japan
- Prior art keywords
- ventilation tube
- hatch cover
- ventilation
- drop
- supported
- 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.)
- Pending
Links
- 238000009423 ventilation Methods 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims 1
- 238000012856 packing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Ventilation (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5047090U JPH049399U (ko) | 1990-05-15 | 1990-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5047090U JPH049399U (ko) | 1990-05-15 | 1990-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH049399U true JPH049399U (ko) | 1992-01-28 |
Family
ID=31569045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5047090U Pending JPH049399U (ko) | 1990-05-15 | 1990-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH049399U (ko) |
-
1990
- 1990-05-15 JP JP5047090U patent/JPH049399U/ja active Pending