JPS5228890Y2 - - Google Patents
Info
- Publication number
- JPS5228890Y2 JPS5228890Y2 JP6777572U JP6777572U JPS5228890Y2 JP S5228890 Y2 JPS5228890 Y2 JP S5228890Y2 JP 6777572 U JP6777572 U JP 6777572U JP 6777572 U JP6777572 U JP 6777572U JP S5228890 Y2 JPS5228890 Y2 JP S5228890Y2
- Authority
- JP
- Japan
- 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
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6777572U JPS5228890Y2 (2) | 1972-06-08 | 1972-06-08 | |
| US349783A US3874130A (en) | 1972-04-10 | 1973-04-10 | Ceiling-mounted apparatus for providing a smoke vent or smokeproof screen in the event of a fire |
| CA168,976A CA978412A (en) | 1972-04-10 | 1973-04-10 | Ceiling-mounted apparatus for providing a smoke vent or smokeproof screen in the event of a fire |
| GB1710573A GB1411155A (en) | 1972-04-10 | 1973-04-10 | Ceiling-mounted apparatus for providing a smoke vent or smokeproof screen in the event of a fire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6777572U JPS5228890Y2 (2) | 1972-06-08 | 1972-06-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4927921U JPS4927921U (2) | 1974-03-09 |
| JPS5228890Y2 true JPS5228890Y2 (2) | 1977-07-01 |
Family
ID=27962691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6777572U Expired JPS5228890Y2 (2) | 1972-04-10 | 1972-06-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5228890Y2 (2) |
-
1972
- 1972-06-08 JP JP6777572U patent/JPS5228890Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4927921U (2) | 1974-03-09 |