JPS644026Y2 - - Google Patents
Info
- Publication number
- JPS644026Y2 JPS644026Y2 JP7446582U JP7446582U JPS644026Y2 JP S644026 Y2 JPS644026 Y2 JP S644026Y2 JP 7446582 U JP7446582 U JP 7446582U JP 7446582 U JP7446582 U JP 7446582U JP S644026 Y2 JPS644026 Y2 JP S644026Y2
- Authority
- JP
- Japan
- Prior art keywords
- casing
- shutter
- shaft
- shutter plate
- plate
- 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 9
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
Landscapes
- Ventilation (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7446582U JPS58177720U (ja) | 1982-05-20 | 1982-05-20 | 換気扇 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7446582U JPS58177720U (ja) | 1982-05-20 | 1982-05-20 | 換気扇 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58177720U JPS58177720U (ja) | 1983-11-28 |
JPS644026Y2 true JPS644026Y2 (ar) | 1989-02-02 |
Family
ID=30083895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7446582U Granted JPS58177720U (ja) | 1982-05-20 | 1982-05-20 | 換気扇 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58177720U (ar) |
-
1982
- 1982-05-20 JP JP7446582U patent/JPS58177720U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58177720U (ja) | 1983-11-28 |
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