JPH01175254U - - Google Patents
Info
- Publication number
- JPH01175254U JPH01175254U JP7253588U JP7253588U JPH01175254U JP H01175254 U JPH01175254 U JP H01175254U JP 7253588 U JP7253588 U JP 7253588U JP 7253588 U JP7253588 U JP 7253588U JP H01175254 U JPH01175254 U JP H01175254U
- Authority
- JP
- Japan
- Prior art keywords
- cover
- cover body
- side wall
- air volume
- volume adjustment
- 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
Landscapes
- Duct Arrangements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7253588U JPH0522737Y2 (en:Method) | 1988-05-30 | 1988-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7253588U JPH0522737Y2 (en:Method) | 1988-05-30 | 1988-05-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01175254U true JPH01175254U (en:Method) | 1989-12-13 |
| JPH0522737Y2 JPH0522737Y2 (en:Method) | 1993-06-11 |
Family
ID=31297695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7253588U Expired - Lifetime JPH0522737Y2 (en:Method) | 1988-05-30 | 1988-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0522737Y2 (en:Method) |
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1988
- 1988-05-30 JP JP7253588U patent/JPH0522737Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0522737Y2 (en:Method) | 1993-06-11 |