JPS53140849A - Ventilation hole soundproof cylinder - Google Patents
Ventilation hole soundproof cylinderInfo
- Publication number
- JPS53140849A JPS53140849A JP5443877A JP5443877A JPS53140849A JP S53140849 A JPS53140849 A JP S53140849A JP 5443877 A JP5443877 A JP 5443877A JP 5443877 A JP5443877 A JP 5443877A JP S53140849 A JPS53140849 A JP S53140849A
- Authority
- JP
- Japan
- Prior art keywords
- ventilation hole
- soundproof cylinder
- hole soundproof
- cylinder
- ventilation
- 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.)
- Granted
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 true JPS53140849A (en) | 1978-12-08 |
JPS5710969B2 JPS5710969B2 (ja) | 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 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0411908Y2 (ja) * | 1986-01-21 | 1992-03-24 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49104930U (ja) * | 1972-12-25 | 1974-09-09 | ||
JPS5050257U (ja) * | 1973-09-04 | 1975-05-16 |
-
1977
- 1977-05-13 JP JP5443877A patent/JPS53140849A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49104930U (ja) * | 1972-12-25 | 1974-09-09 | ||
JPS5050257U (ja) * | 1973-09-04 | 1975-05-16 |
Also Published As
Publication number | Publication date |
---|---|
JPS5710969B2 (ja) | 1982-03-02 |
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