JPH0453809U - - Google Patents
Info
- Publication number
- JPH0453809U JPH0453809U JP9355290U JP9355290U JPH0453809U JP H0453809 U JPH0453809 U JP H0453809U JP 9355290 U JP9355290 U JP 9355290U JP 9355290 U JP9355290 U JP 9355290U JP H0453809 U JPH0453809 U JP H0453809U
- Authority
- JP
- Japan
- Prior art keywords
- helipad
- bulkhead
- rooftop
- height
- sound
- 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.)
- Pending
Links
- 239000011358 absorbing material Substances 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
Landscapes
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Building Environments (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9355290U JPH0453809U (en]) | 1990-09-07 | 1990-09-07 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9355290U JPH0453809U (en]) | 1990-09-07 | 1990-09-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0453809U true JPH0453809U (en]) | 1992-05-08 |
Family
ID=31830860
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9355290U Pending JPH0453809U (en]) | 1990-09-07 | 1990-09-07 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0453809U (en]) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112144431A (zh) * | 2020-09-26 | 2020-12-29 | 威海广泰空港设备股份有限公司 | 一种机场跑道隔音系统 |
-
1990
- 1990-09-07 JP JP9355290U patent/JPH0453809U/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112144431A (zh) * | 2020-09-26 | 2020-12-29 | 威海广泰空港设备股份有限公司 | 一种机场跑道隔音系统 |
CN112144431B (zh) * | 2020-09-26 | 2021-09-07 | 威海广泰空港设备股份有限公司 | 一种机场跑道隔音系统 |