JPS62189544U - - Google Patents
Info
- Publication number
- JPS62189544U JPS62189544U JP7721686U JP7721686U JPS62189544U JP S62189544 U JPS62189544 U JP S62189544U JP 7721686 U JP7721686 U JP 7721686U JP 7721686 U JP7721686 U JP 7721686U JP S62189544 U JPS62189544 U JP S62189544U
- Authority
- JP
- Japan
- Prior art keywords
- spacing arm
- ventilation tube
- plate
- shutter
- weight
- 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 6
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Air-Flow Control Members (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7721686U JPS62189544U (2) | 1986-05-22 | 1986-05-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7721686U JPS62189544U (2) | 1986-05-22 | 1986-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62189544U true JPS62189544U (2) | 1987-12-02 |
Family
ID=30925017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7721686U Pending JPS62189544U (2) | 1986-05-22 | 1986-05-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62189544U (2) |
-
1986
- 1986-05-22 JP JP7721686U patent/JPS62189544U/ja active Pending
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