JPH0287808U - - Google Patents
Info
- Publication number
- JPH0287808U JPH0287808U JP16742588U JP16742588U JPH0287808U JP H0287808 U JPH0287808 U JP H0287808U JP 16742588 U JP16742588 U JP 16742588U JP 16742588 U JP16742588 U JP 16742588U JP H0287808 U JPH0287808 U JP H0287808U
- Authority
- JP
- Japan
- Prior art keywords
- vent
- fire damper
- vent hole
- box body
- silencer
- 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
- 239000011358 absorbing material Substances 0.000 claims description 2
- 230000003584 silencer Effects 0.000 claims 2
- 239000000463 material Substances 0.000 description 1
Landscapes
- Building Environments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16742588U JPH0287808U (en, 2012) | 1988-12-23 | 1988-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16742588U JPH0287808U (en, 2012) | 1988-12-23 | 1988-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0287808U true JPH0287808U (en, 2012) | 1990-07-11 |
Family
ID=31455709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16742588U Pending JPH0287808U (en, 2012) | 1988-12-23 | 1988-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0287808U (en, 2012) |
-
1988
- 1988-12-23 JP JP16742588U patent/JPH0287808U/ja active Pending