JPS61169140U - - Google Patents
Info
- Publication number
- JPS61169140U JPS61169140U JP13779884U JP13779884U JPS61169140U JP S61169140 U JPS61169140 U JP S61169140U JP 13779884 U JP13779884 U JP 13779884U JP 13779884 U JP13779884 U JP 13779884U JP S61169140 U JPS61169140 U JP S61169140U
- Authority
- JP
- Japan
- Prior art keywords
- weir
- rumbling
- automatic
- blade type
- attached
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 230000035699 permeability Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Barrages (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13779884U JPS61169140U (https=) | 1984-09-10 | 1984-09-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13779884U JPS61169140U (https=) | 1984-09-10 | 1984-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61169140U true JPS61169140U (https=) | 1986-10-20 |
Family
ID=30696202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13779884U Pending JPS61169140U (https=) | 1984-09-10 | 1984-09-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61169140U (https=) |
-
1984
- 1984-09-10 JP JP13779884U patent/JPS61169140U/ja active Pending
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