JPS5677636A - Automatic ventilating apparatus - Google Patents
Automatic ventilating apparatusInfo
- Publication number
- JPS5677636A JPS5677636A JP15338979A JP15338979A JPS5677636A JP S5677636 A JPS5677636 A JP S5677636A JP 15338979 A JP15338979 A JP 15338979A JP 15338979 A JP15338979 A JP 15338979A JP S5677636 A JPS5677636 A JP S5677636A
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- gas
- frame
- outside
- contact
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15338979A JPS5677636A (en) | 1979-11-27 | 1979-11-27 | Automatic ventilating apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15338979A JPS5677636A (en) | 1979-11-27 | 1979-11-27 | Automatic ventilating apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5677636A true JPS5677636A (en) | 1981-06-26 |
Family
ID=15561409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15338979A Pending JPS5677636A (en) | 1979-11-27 | 1979-11-27 | Automatic ventilating apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5677636A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4819551A (en) * | 1988-01-04 | 1989-04-11 | John Vole | Safety system for smoke and fumes |
US4922808A (en) * | 1989-02-16 | 1990-05-08 | Smith Stephen D | Radon and other gas ventilator |
-
1979
- 1979-11-27 JP JP15338979A patent/JPS5677636A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4819551A (en) * | 1988-01-04 | 1989-04-11 | John Vole | Safety system for smoke and fumes |
US4922808A (en) * | 1989-02-16 | 1990-05-08 | Smith Stephen D | Radon and other gas ventilator |
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