JPS61200963U - - Google Patents
Info
- Publication number
- JPS61200963U JPS61200963U JP8492785U JP8492785U JPS61200963U JP S61200963 U JPS61200963 U JP S61200963U JP 8492785 U JP8492785 U JP 8492785U JP 8492785 U JP8492785 U JP 8492785U JP S61200963 U JPS61200963 U JP S61200963U
- Authority
- JP
- Japan
- Prior art keywords
- reed
- case
- longitudinal direction
- ventilation hole
- reed valve
- 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
- 235000014676 Phragmites communis Nutrition 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims 2
- 230000001629 suppression Effects 0.000 description 1
Landscapes
- Check Valves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8492785U JPS61200963U (fr) | 1985-06-05 | 1985-06-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8492785U JPS61200963U (fr) | 1985-06-05 | 1985-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61200963U true JPS61200963U (fr) | 1986-12-16 |
Family
ID=30634855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8492785U Pending JPS61200963U (fr) | 1985-06-05 | 1985-06-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61200963U (fr) |
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1985
- 1985-06-05 JP JP8492785U patent/JPS61200963U/ja active Pending