JPS59128815U - 吸音材 - Google Patents
吸音材Info
- Publication number
- JPS59128815U JPS59128815U JP2259883U JP2259883U JPS59128815U JP S59128815 U JPS59128815 U JP S59128815U JP 2259883 U JP2259883 U JP 2259883U JP 2259883 U JP2259883 U JP 2259883U JP S59128815 U JPS59128815 U JP S59128815U
- Authority
- JP
- Japan
- Prior art keywords
- holes
- sound absorbing
- absorbing material
- fiberboard
- large number
- 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
- Building Environments (AREA)
- Laminated Bodies (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2259883U JPS59128815U (ja) | 1983-02-17 | 1983-02-17 | 吸音材 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2259883U JPS59128815U (ja) | 1983-02-17 | 1983-02-17 | 吸音材 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59128815U true JPS59128815U (ja) | 1984-08-30 |
JPS6328741Y2 JPS6328741Y2 (zh) | 1988-08-02 |
Family
ID=30153691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2259883U Granted JPS59128815U (ja) | 1983-02-17 | 1983-02-17 | 吸音材 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59128815U (zh) |
-
1983
- 1983-02-17 JP JP2259883U patent/JPS59128815U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6328741Y2 (zh) | 1988-08-02 |
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