BR7706569A - Sistema telefonico - Google Patents
Sistema telefonicoInfo
- Publication number
- BR7706569A BR7706569A BR7706569A BR7706569A BR7706569A BR 7706569 A BR7706569 A BR 7706569A BR 7706569 A BR7706569 A BR 7706569A BR 7706569 A BR7706569 A BR 7706569A BR 7706569 A BR7706569 A BR 7706569A
- Authority
- BR
- Brazil
- Prior art keywords
- telephone system
- telephone
- Prior art date
Links
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11752576A JPS5342604A (en) | 1976-09-30 | 1976-09-30 | Key telephone system |
JP11752676A JPS5342605A (en) | 1976-09-30 | 1976-09-30 | Receiving circuit for voltage discrimination signal system |
JP11752476A JPS5342603A (en) | 1976-09-30 | 1976-09-30 | Signal system by voltage discrimination for key telephone set |
JP11976776A JPS5345101A (en) | 1976-10-05 | 1976-10-05 | Key telephone system |
JP11976876A JPS5345102A (en) | 1976-10-05 | 1976-10-05 | Key telephone system |
JP11976976A JPS5345103A (en) | 1976-10-05 | 1976-10-05 | Key telephone system |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7706569A true BR7706569A (pt) | 1978-08-22 |
Family
ID=27552505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7706569A BR7706569A (pt) | 1976-09-30 | 1977-09-30 | Sistema telefonico |
Country Status (1)
Country | Link |
---|---|
BR (1) | BR7706569A (pt) |
-
1977
- 1977-09-30 BR BR7706569A patent/BR7706569A/pt unknown
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