FR2139782A1 - - Google Patents
Info
- Publication number
- FR2139782A1 FR2139782A1 FR7121159A FR7121159A FR2139782A1 FR 2139782 A1 FR2139782 A1 FR 2139782A1 FR 7121159 A FR7121159 A FR 7121159A FR 7121159 A FR7121159 A FR 7121159A FR 2139782 A1 FR2139782 A1 FR 2139782A1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/62—Constructional arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7121159A FR2139782A1 (https=) | 1971-06-02 | 1971-06-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7121159A FR2139782A1 (https=) | 1971-06-02 | 1971-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2139782A1 true FR2139782A1 (https=) | 1973-01-12 |
Family
ID=9078446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7121159A Withdrawn FR2139782A1 (https=) | 1971-06-02 | 1971-06-02 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2139782A1 (https=) |
-
1971
- 1971-06-02 FR FR7121159A patent/FR2139782A1/fr not_active Withdrawn
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |