TW420187U - Sound absorption device for sound-proof panel - Google Patents
Sound absorption device for sound-proof panelInfo
- Publication number
- TW420187U TW420187U TW88210270U TW88210270U TW420187U TW 420187 U TW420187 U TW 420187U TW 88210270 U TW88210270 U TW 88210270U TW 88210270 U TW88210270 U TW 88210270U TW 420187 U TW420187 U TW 420187U
- Authority
- TW
- Taiwan
- Prior art keywords
- sound
- absorption device
- proof panel
- sound absorption
- proof
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW88210270U TW420187U (en) | 1999-06-22 | 1999-06-22 | Sound absorption device for sound-proof panel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW88210270U TW420187U (en) | 1999-06-22 | 1999-06-22 | Sound absorption device for sound-proof panel |
Publications (1)
Publication Number | Publication Date |
---|---|
TW420187U true TW420187U (en) | 2001-01-21 |
Family
ID=21649852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW88210270U TW420187U (en) | 1999-06-22 | 1999-06-22 | Sound absorption device for sound-proof panel |
Country Status (1)
Country | Link |
---|---|
TW (1) | TW420187U (zh) |
-
1999
- 1999-06-22 TW TW88210270U patent/TW420187U/zh not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GD4K | Issue of patent certificate for granted utility model filed before june 30, 2004 | ||
MM4K | Annulment or lapse of a utility model due to non-payment of fees |