JPS6448535U - - Google Patents
Info
- Publication number
- JPS6448535U JPS6448535U JP14387987U JP14387987U JPS6448535U JP S6448535 U JPS6448535 U JP S6448535U JP 14387987 U JP14387987 U JP 14387987U JP 14387987 U JP14387987 U JP 14387987U JP S6448535 U JPS6448535 U JP S6448535U
- Authority
- JP
- Japan
- Prior art keywords
- noise reduction
- utility
- fan
- boxes
- reduction mechanism
- 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
- 238000009423 ventilation Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Duct Arrangements (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14387987U JPS6448535U (cs) | 1987-09-22 | 1987-09-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14387987U JPS6448535U (cs) | 1987-09-22 | 1987-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6448535U true JPS6448535U (cs) | 1989-03-24 |
Family
ID=31411096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14387987U Pending JPS6448535U (cs) | 1987-09-22 | 1987-09-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6448535U (cs) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07281497A (ja) * | 1994-04-11 | 1995-10-27 | Ricoh Co Ltd | オフィスオートメーション機器の消音装置 |
| JP2010145048A (ja) * | 2008-12-19 | 2010-07-01 | Mitsubishi Electric Corp | 換気送風機 |
-
1987
- 1987-09-22 JP JP14387987U patent/JPS6448535U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07281497A (ja) * | 1994-04-11 | 1995-10-27 | Ricoh Co Ltd | オフィスオートメーション機器の消音装置 |
| JP2010145048A (ja) * | 2008-12-19 | 2010-07-01 | Mitsubishi Electric Corp | 換気送風機 |