JPS63106969U - - Google Patents
Info
- Publication number
- JPS63106969U JPS63106969U JP20294986U JP20294986U JPS63106969U JP S63106969 U JPS63106969 U JP S63106969U JP 20294986 U JP20294986 U JP 20294986U JP 20294986 U JP20294986 U JP 20294986U JP S63106969 U JPS63106969 U JP S63106969U
- Authority
- JP
- Japan
- Prior art keywords
- main body
- sheet member
- reed
- plate material
- ventilation hole
- 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
- 235000014676 Phragmites communis Nutrition 0.000 claims description 5
- 239000000463 material Substances 0.000 claims 2
- 238000009423 ventilation Methods 0.000 claims 2
- 239000013013 elastic material Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000007796 conventional method Methods 0.000 description 1
Landscapes
- Check Valves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986202949U JPH0322599Y2 (en]) | 1986-12-27 | 1986-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986202949U JPH0322599Y2 (en]) | 1986-12-27 | 1986-12-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63106969U true JPS63106969U (en]) | 1988-07-11 |
| JPH0322599Y2 JPH0322599Y2 (en]) | 1991-05-16 |
Family
ID=31167813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986202949U Expired JPH0322599Y2 (en]) | 1986-12-27 | 1986-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0322599Y2 (en]) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5649016U (en]) * | 1980-09-03 | 1981-05-01 | ||
| JPS594203U (ja) * | 1982-06-30 | 1984-01-12 | 桜田 太吉 | 農業用水田植代時水平田均し |
-
1986
- 1986-12-27 JP JP1986202949U patent/JPH0322599Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5649016U (en]) * | 1980-09-03 | 1981-05-01 | ||
| JPS594203U (ja) * | 1982-06-30 | 1984-01-12 | 桜田 太吉 | 農業用水田植代時水平田均し |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0322599Y2 (en]) | 1991-05-16 |