JPS6120446Y2 - - Google Patents
Info
- Publication number
- JPS6120446Y2 JPS6120446Y2 JP12202279U JP12202279U JPS6120446Y2 JP S6120446 Y2 JPS6120446 Y2 JP S6120446Y2 JP 12202279 U JP12202279 U JP 12202279U JP 12202279 U JP12202279 U JP 12202279U JP S6120446 Y2 JPS6120446 Y2 JP S6120446Y2
- Authority
- JP
- Japan
- Prior art keywords
- shutter
- main switch
- fan
- switch
- timer
- 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.)
- Expired
Links
- 238000009423 ventilation Methods 0.000 claims description 32
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 230000001419 dependent effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 239000000428 dust Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Ventilation (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12202279U JPS6120446Y2 (en]) | 1979-09-04 | 1979-09-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12202279U JPS6120446Y2 (en]) | 1979-09-04 | 1979-09-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5640330U JPS5640330U (en]) | 1981-04-15 |
| JPS6120446Y2 true JPS6120446Y2 (en]) | 1986-06-19 |
Family
ID=29354118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12202279U Expired JPS6120446Y2 (en]) | 1979-09-04 | 1979-09-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6120446Y2 (en]) |
-
1979
- 1979-09-04 JP JP12202279U patent/JPS6120446Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5640330U (en]) | 1981-04-15 |
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