JPH02124433U - - Google Patents
Info
- Publication number
- JPH02124433U JPH02124433U JP3227089U JP3227089U JPH02124433U JP H02124433 U JPH02124433 U JP H02124433U JP 3227089 U JP3227089 U JP 3227089U JP 3227089 U JP3227089 U JP 3227089U JP H02124433 U JPH02124433 U JP H02124433U
- Authority
- JP
- Japan
- Prior art keywords
- ventilation
- shielding plate
- shield plate
- ceiling
- ventilation hole
- 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 10
- 230000008018 melting Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Ventilation (AREA)
- Air-Flow Control Members (AREA)
- Building Environments (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3227089U JPH02124433U (enExample) | 1989-03-22 | 1989-03-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3227089U JPH02124433U (enExample) | 1989-03-22 | 1989-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02124433U true JPH02124433U (enExample) | 1990-10-12 |
Family
ID=31535210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3227089U Pending JPH02124433U (enExample) | 1989-03-22 | 1989-03-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02124433U (enExample) |
-
1989
- 1989-03-22 JP JP3227089U patent/JPH02124433U/ja active Pending
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