JPS5323681B2 - - Google Patents
Info
- Publication number
- JPS5323681B2 JPS5323681B2 JP3630475A JP3630475A JPS5323681B2 JP S5323681 B2 JPS5323681 B2 JP S5323681B2 JP 3630475 A JP3630475 A JP 3630475A JP 3630475 A JP3630475 A JP 3630475A JP S5323681 B2 JPS5323681 B2 JP S5323681B2
- 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
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Building Environments (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50036304A JPS51111301A (en) | 1975-03-26 | 1975-03-26 | Noise direction control apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50036304A JPS51111301A (en) | 1975-03-26 | 1975-03-26 | Noise direction control apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS51111301A JPS51111301A (en) | 1976-10-01 |
JPS5323681B2 true JPS5323681B2 (ja) | 1978-07-17 |
Family
ID=12466075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50036304A Granted JPS51111301A (en) | 1975-03-26 | 1975-03-26 | Noise direction control apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51111301A (ja) |
-
1975
- 1975-03-26 JP JP50036304A patent/JPS51111301A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS51111301A (en) | 1976-10-01 |