JPS5710969B2 - - Google Patents
Info
- Publication number
- JPS5710969B2 JPS5710969B2 JP5443877A JP5443877A JPS5710969B2 JP S5710969 B2 JPS5710969 B2 JP S5710969B2 JP 5443877 A JP5443877 A JP 5443877A JP 5443877 A JP5443877 A JP 5443877A JP S5710969 B2 JPS5710969 B2 JP S5710969B2
- 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
Landscapes
- Ventilation (AREA)
- Duct Arrangements (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5443877A JPS53140849A (en) | 1977-05-13 | 1977-05-13 | Ventilation hole soundproof cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5443877A JPS53140849A (en) | 1977-05-13 | 1977-05-13 | Ventilation hole soundproof cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS53140849A JPS53140849A (en) | 1978-12-08 |
| JPS5710969B2 true JPS5710969B2 (cs) | 1982-03-02 |
Family
ID=12970704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5443877A Granted JPS53140849A (en) | 1977-05-13 | 1977-05-13 | Ventilation hole soundproof cylinder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS53140849A (cs) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5241723Y2 (cs) * | 1972-12-25 | 1977-09-21 | ||
| JPS5237474Y2 (cs) * | 1973-09-04 | 1977-08-26 |
-
1977
- 1977-05-13 JP JP5443877A patent/JPS53140849A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS53140849A (en) | 1978-12-08 |