BR7001441U - Transformador acustico - Google Patents
Transformador acusticoInfo
- Publication number
- BR7001441U BR7001441U BR7001441U BR7001441U BR7001441U BR 7001441 U BR7001441 U BR 7001441U BR 7001441 U BR7001441 U BR 7001441U BR 7001441 U BR7001441 U BR 7001441U BR 7001441 U BR7001441 U BR 7001441U
- Authority
- BR
- Brazil
- Prior art keywords
- acoustic transformer
- acoustic
- transformer
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR7001441U BR7001441U (pt) | 1990-07-30 | 1990-07-30 | Transformador acustico |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR7001441U BR7001441U (pt) | 1990-07-30 | 1990-07-30 | Transformador acustico |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7001441U true BR7001441U (pt) | 1991-07-02 |
Family
ID=3980742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7001441U BR7001441U (pt) | 1990-07-30 | 1990-07-30 | Transformador acustico |
Country Status (1)
Country | Link |
---|---|
BR (1) | BR7001441U (pt) |
-
1990
- 1990-07-30 BR BR7001441U patent/BR7001441U/pt not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FF | Decision: intention to grant | ||
FG9A | Patent or certificate of addition granted | ||
B21A | Expiry acc. art. 78, item i of ipl- expiry of the term of protection |
Free format text: PATENTE EXTINTA EM 27/07/2006 |