JPS61170951U - - Google Patents
Info
- Publication number
- JPS61170951U JPS61170951U JP5456885U JP5456885U JPS61170951U JP S61170951 U JPS61170951 U JP S61170951U JP 5456885 U JP5456885 U JP 5456885U JP 5456885 U JP5456885 U JP 5456885U JP S61170951 U JPS61170951 U JP S61170951U
- Authority
- JP
- Japan
- Prior art keywords
- fire damper
- damper
- ventilation tube
- fire
- ventilation
- 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.)
- Granted
Links
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000005399 mechanical ventilation Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Landscapes
- Air-Flow Control Members (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5456885U JPH0233068Y2 (https=) | 1985-04-11 | 1985-04-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5456885U JPH0233068Y2 (https=) | 1985-04-11 | 1985-04-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61170951U true JPS61170951U (https=) | 1986-10-23 |
| JPH0233068Y2 JPH0233068Y2 (https=) | 1990-09-06 |
Family
ID=30576445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5456885U Expired JPH0233068Y2 (https=) | 1985-04-11 | 1985-04-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0233068Y2 (https=) |
-
1985
- 1985-04-11 JP JP5456885U patent/JPH0233068Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0233068Y2 (https=) | 1990-09-06 |