JPH01152652U - - Google Patents
Info
- Publication number
- JPH01152652U JPH01152652U JP4808888U JP4808888U JPH01152652U JP H01152652 U JPH01152652 U JP H01152652U JP 4808888 U JP4808888 U JP 4808888U JP 4808888 U JP4808888 U JP 4808888U JP H01152652 U JPH01152652 U JP H01152652U
- Authority
- JP
- Japan
- Prior art keywords
- duct
- shutter
- locking member
- rotating shaft
- inspection
- 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
- 238000007689 inspection Methods 0.000 claims description 7
- 230000002265 prevention Effects 0.000 claims 1
Landscapes
- Air-Flow Control Members (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4808888U JPH0623301Y2 (ja) | 1988-04-08 | 1988-04-08 | 防火ダンパー |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4808888U JPH0623301Y2 (ja) | 1988-04-08 | 1988-04-08 | 防火ダンパー |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01152652U true JPH01152652U (2) | 1989-10-20 |
| JPH0623301Y2 JPH0623301Y2 (ja) | 1994-06-22 |
Family
ID=31274256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4808888U Expired - Lifetime JPH0623301Y2 (ja) | 1988-04-08 | 1988-04-08 | 防火ダンパー |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0623301Y2 (2) |
-
1988
- 1988-04-08 JP JP4808888U patent/JPH0623301Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0623301Y2 (ja) | 1994-06-22 |
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