BR7500981A - Permutacao de telefone automatica - Google Patents
Permutacao de telefone automaticaInfo
- Publication number
- BR7500981A BR7500981A BR981/75A BR7500981A BR7500981A BR 7500981 A BR7500981 A BR 7500981A BR 981/75 A BR981/75 A BR 981/75A BR 7500981 A BR7500981 A BR 7500981A BR 7500981 A BR7500981 A BR 7500981A
- Authority
- BR
- Brazil
- Prior art keywords
- phone exchange
- automatic phone
- automatic
- exchange
- phone
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB785574A GB1430503A (en) | 1974-02-21 | 1974-02-21 | Automatic telephone systems |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7500981A true BR7500981A (pt) | 1975-12-02 |
Family
ID=9841100
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR981/75A BR7500981A (pt) | 1974-02-21 | 1975-02-18 | Permutacao de telefone automatica |
Country Status (4)
Country | Link |
---|---|
BR (1) | BR7500981A (enrdf_load_stackoverflow) |
FR (1) | FR2262467B1 (enrdf_load_stackoverflow) |
GB (1) | GB1430503A (enrdf_load_stackoverflow) |
ZA (1) | ZA75135B (enrdf_load_stackoverflow) |
-
1974
- 1974-02-21 GB GB785574A patent/GB1430503A/en not_active Expired
-
1975
- 1975-01-07 ZA ZA00750135A patent/ZA75135B/xx unknown
- 1975-02-18 BR BR981/75A patent/BR7500981A/pt unknown
- 1975-02-20 FR FR7505241A patent/FR2262467B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU7730175A (en) | 1976-07-15 |
FR2262467A1 (enrdf_load_stackoverflow) | 1975-09-19 |
GB1430503A (en) | 1976-03-31 |
FR2262467B1 (enrdf_load_stackoverflow) | 1981-10-09 |
ZA75135B (en) | 1976-01-28 |
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