JPS61142972U - - Google Patents
Info
- Publication number
- JPS61142972U JPS61142972U JP2631485U JP2631485U JPS61142972U JP S61142972 U JPS61142972 U JP S61142972U JP 2631485 U JP2631485 U JP 2631485U JP 2631485 U JP2631485 U JP 2631485U JP S61142972 U JPS61142972 U JP S61142972U
- Authority
- JP
- Japan
- Prior art keywords
- ventilation hole
- valve seat
- annular
- 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 10
- 238000009423 ventilation Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Check Valves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2631485U JPS61142972U (2) | 1985-02-27 | 1985-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2631485U JPS61142972U (2) | 1985-02-27 | 1985-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61142972U true JPS61142972U (2) | 1986-09-03 |
Family
ID=30522206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2631485U Pending JPS61142972U (2) | 1985-02-27 | 1985-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61142972U (2) |
-
1985
- 1985-02-27 JP JP2631485U patent/JPS61142972U/ja active Pending
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