JPS641725U - - Google Patents
Info
- Publication number
- JPS641725U JPS641725U JP9573087U JP9573087U JPS641725U JP S641725 U JPS641725 U JP S641725U JP 9573087 U JP9573087 U JP 9573087U JP 9573087 U JP9573087 U JP 9573087U JP S641725 U JPS641725 U JP S641725U
- Authority
- JP
- Japan
- Prior art keywords
- belt
- ventilation fan
- ventilation
- prevention device
- dirt prevention
- 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 8
- 230000002265 prevention Effects 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
Landscapes
- Ventilation (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9573087U JPS641725U (sv) | 1987-06-22 | 1987-06-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9573087U JPS641725U (sv) | 1987-06-22 | 1987-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS641725U true JPS641725U (sv) | 1989-01-06 |
Family
ID=30960629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9573087U Pending JPS641725U (sv) | 1987-06-22 | 1987-06-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS641725U (sv) |
-
1987
- 1987-06-22 JP JP9573087U patent/JPS641725U/ja active Pending