BR7203431D0 - Equipamento telefonico - Google Patents
Equipamento telefonicoInfo
- Publication number
- BR7203431D0 BR7203431D0 BR003431/72A BR343172A BR7203431D0 BR 7203431 D0 BR7203431 D0 BR 7203431D0 BR 003431/72 A BR003431/72 A BR 003431/72A BR 343172 A BR343172 A BR 343172A BR 7203431 D0 BR7203431 D0 BR 7203431D0
- Authority
- BR
- Brazil
- Prior art keywords
- telephone equipment
- telephone
- equipment
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
- H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR717119627A FR2139693B1 (enExample) | 1971-05-28 | 1971-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7203431D0 true BR7203431D0 (pt) | 1973-08-23 |
Family
ID=9077859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR003431/72A BR7203431D0 (pt) | 1971-05-28 | 1972-05-29 | Equipamento telefonico |
Country Status (11)
| Country | Link |
|---|---|
| AT (1) | AT322001B (enExample) |
| BR (1) | BR7203431D0 (enExample) |
| CA (1) | CA968051A (enExample) |
| CH (1) | CH566687A5 (enExample) |
| ES (1) | ES403276A1 (enExample) |
| FR (1) | FR2139693B1 (enExample) |
| GB (1) | GB1380091A (enExample) |
| IT (1) | IT958991B (enExample) |
| NL (1) | NL7207111A (enExample) |
| SE (1) | SE371354B (enExample) |
| ZA (1) | ZA723620B (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7907134A (nl) * | 1979-09-25 | 1981-03-27 | Ericsson Telefon Mij | Telefooninstallatie van de als sterpuntinstallatie aangeduide soort. |
-
1971
- 1971-05-28 FR FR717119627A patent/FR2139693B1/fr not_active Expired
-
1972
- 1972-05-26 SE SE7206911A patent/SE371354B/xx unknown
- 1972-05-26 IT IT68684/72A patent/IT958991B/it active
- 1972-05-26 ZA ZA723620A patent/ZA723620B/xx unknown
- 1972-05-26 CA CA143,124A patent/CA968051A/en not_active Expired
- 1972-05-26 NL NL7207111A patent/NL7207111A/xx unknown
- 1972-05-26 AT AT458472A patent/AT322001B/de not_active IP Right Cessation
- 1972-05-26 CH CH787972A patent/CH566687A5/xx not_active IP Right Cessation
- 1972-05-27 ES ES403276A patent/ES403276A1/es not_active Expired
- 1972-05-29 BR BR003431/72A patent/BR7203431D0/pt unknown
- 1972-05-30 GB GB2527372A patent/GB1380091A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA968051A (en) | 1975-05-20 |
| DE2225815A1 (de) | 1972-12-14 |
| SE371354B (enExample) | 1974-11-11 |
| GB1380091A (en) | 1975-01-08 |
| FR2139693A1 (enExample) | 1973-01-12 |
| FR2139693B1 (enExample) | 1973-05-25 |
| ZA723620B (en) | 1973-02-28 |
| ES403276A1 (es) | 1975-04-16 |
| NL7207111A (enExample) | 1972-11-30 |
| AT322001B (de) | 1975-04-25 |
| IT958991B (it) | 1973-10-30 |
| CH566687A5 (enExample) | 1975-09-15 |
| DE2225815B2 (de) | 1976-03-11 |
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