JPH0443733U - - Google Patents
Info
- Publication number
- JPH0443733U JPH0443733U JP1990084586U JP8458690U JPH0443733U JP H0443733 U JPH0443733 U JP H0443733U JP 1990084586 U JP1990084586 U JP 1990084586U JP 8458690 U JP8458690 U JP 8458690U JP H0443733 U JPH0443733 U JP H0443733U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- sound
- filter
- detection device
- generating
- 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
- 238000001514 detection method Methods 0.000 claims description 2
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
- Central Air Conditioning (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990084586U JPH0443733U (fr) | 1990-08-13 | 1990-08-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990084586U JPH0443733U (fr) | 1990-08-13 | 1990-08-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0443733U true JPH0443733U (fr) | 1992-04-14 |
Family
ID=31633165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990084586U Pending JPH0443733U (fr) | 1990-08-13 | 1990-08-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0443733U (fr) |
-
1990
- 1990-08-13 JP JP1990084586U patent/JPH0443733U/ja active Pending