JPS5237227A - Check valve used for drainage hole - Google Patents
Check valve used for drainage holeInfo
- Publication number
- JPS5237227A JPS5237227A JP11327975A JP11327975A JPS5237227A JP S5237227 A JPS5237227 A JP S5237227A JP 11327975 A JP11327975 A JP 11327975A JP 11327975 A JP11327975 A JP 11327975A JP S5237227 A JPS5237227 A JP S5237227A
- Authority
- JP
- Japan
- Prior art keywords
- check valve
- drainage hole
- valve used
- drainage
- 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.)
- Pending
Links
Landscapes
- Check Valves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11327975A JPS5237227A (en) | 1975-09-18 | 1975-09-18 | Check valve used for drainage hole |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11327975A JPS5237227A (en) | 1975-09-18 | 1975-09-18 | Check valve used for drainage hole |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5237227A true JPS5237227A (en) | 1977-03-23 |
Family
ID=14608137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11327975A Pending JPS5237227A (en) | 1975-09-18 | 1975-09-18 | Check valve used for drainage hole |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5237227A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS311861Y1 (en) * | 1954-09-13 | 1956-02-08 |
-
1975
- 1975-09-18 JP JP11327975A patent/JPS5237227A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS311861Y1 (en) * | 1954-09-13 | 1956-02-08 |
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