JPS54227A - Back flow valve - Google Patents
Back flow valveInfo
- Publication number
- JPS54227A JPS54227A JP6551577A JP6551577A JPS54227A JP S54227 A JPS54227 A JP S54227A JP 6551577 A JP6551577 A JP 6551577A JP 6551577 A JP6551577 A JP 6551577A JP S54227 A JPS54227 A JP S54227A
- Authority
- JP
- Japan
- Prior art keywords
- flow valve
- back flow
- valve
- flow
- 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 |
---|---|---|---|
JP6551577A JPS54227A (en) | 1977-06-02 | 1977-06-02 | Back flow valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6551577A JPS54227A (en) | 1977-06-02 | 1977-06-02 | Back flow valve |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54227A true JPS54227A (en) | 1979-01-05 |
Family
ID=13289240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6551577A Pending JPS54227A (en) | 1977-06-02 | 1977-06-02 | Back flow valve |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54227A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4649099A (en) * | 1981-10-09 | 1987-03-10 | Dai Nippon Insatsu K.K. | Negative-type resist sensitive to ionizing radiation |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4948518U (ja) * | 1972-08-01 | 1974-04-27 | ||
JPS5058623A (ja) * | 1973-09-24 | 1975-05-21 |
-
1977
- 1977-06-02 JP JP6551577A patent/JPS54227A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4948518U (ja) * | 1972-08-01 | 1974-04-27 | ||
JPS5058623A (ja) * | 1973-09-24 | 1975-05-21 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4649099A (en) * | 1981-10-09 | 1987-03-10 | Dai Nippon Insatsu K.K. | Negative-type resist sensitive to ionizing radiation |
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