JPH0139792Y2 - - Google Patents
Info
- Publication number
- JPH0139792Y2 JPH0139792Y2 JP17627984U JP17627984U JPH0139792Y2 JP H0139792 Y2 JPH0139792 Y2 JP H0139792Y2 JP 17627984 U JP17627984 U JP 17627984U JP 17627984 U JP17627984 U JP 17627984U JP H0139792 Y2 JPH0139792 Y2 JP H0139792Y2
- Authority
- JP
- Japan
- Prior art keywords
- control device
- closing control
- battery
- opening
- power
- 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.)
- Expired
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000007710 freezing Methods 0.000 claims description 4
- 230000008014 freezing Effects 0.000 claims description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
- Pipeline Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17627984U JPH0139792Y2 (en]) | 1984-11-20 | 1984-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17627984U JPH0139792Y2 (en]) | 1984-11-20 | 1984-11-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6193563U JPS6193563U (en]) | 1986-06-17 |
| JPH0139792Y2 true JPH0139792Y2 (en]) | 1989-11-29 |
Family
ID=30733879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17627984U Expired JPH0139792Y2 (en]) | 1984-11-20 | 1984-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0139792Y2 (en]) |
-
1984
- 1984-11-20 JP JP17627984U patent/JPH0139792Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6193563U (en]) | 1986-06-17 |
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