JPS56140040U - - Google Patents
Info
- Publication number
- JPS56140040U JPS56140040U JP3852380U JP3852380U JPS56140040U JP S56140040 U JPS56140040 U JP S56140040U JP 3852380 U JP3852380 U JP 3852380U JP 3852380 U JP3852380 U JP 3852380U JP S56140040 U JPS56140040 U JP S56140040U
- 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.)
- Pending
Links
Landscapes
- Air-Flow Control Members (AREA)
- Ventilation (AREA)
- Duct Arrangements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3852380U JPS56140040U (ja) | 1980-03-24 | 1980-03-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3852380U JPS56140040U (ja) | 1980-03-24 | 1980-03-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56140040U true JPS56140040U (ja) | 1981-10-22 |
Family
ID=29634030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3852380U Pending JPS56140040U (ja) | 1980-03-24 | 1980-03-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56140040U (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6413448U (ja) * | 1987-07-15 | 1989-01-24 | ||
| KR101226973B1 (ko) | 2009-11-09 | 2013-01-28 | 손순배 | 다중 날개구조를 갖는 역류방지장치 및 이를 이용한 공기흐름 차단방법 |
-
1980
- 1980-03-24 JP JP3852380U patent/JPS56140040U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6413448U (ja) * | 1987-07-15 | 1989-01-24 | ||
| KR101226973B1 (ko) | 2009-11-09 | 2013-01-28 | 손순배 | 다중 날개구조를 갖는 역류방지장치 및 이를 이용한 공기흐름 차단방법 |