FR2136296A5 - - Google Patents
Info
- Publication number
- FR2136296A5 FR2136296A5 FR7212496A FR7212496A FR2136296A5 FR 2136296 A5 FR2136296 A5 FR 2136296A5 FR 7212496 A FR7212496 A FR 7212496A FR 7212496 A FR7212496 A FR 7212496A FR 2136296 A5 FR2136296 A5 FR 2136296A5
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/68—Circuit arrangements for preventing eavesdropping
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Machine Translation (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2302371 | 1971-04-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2136296A5 true FR2136296A5 (online.php) | 1972-12-22 |
Family
ID=11202992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7212496A Expired FR2136296A5 (online.php) | 1971-04-10 | 1972-04-10 |
Country Status (2)
| Country | Link |
|---|---|
| ES (1) | ES400593A1 (online.php) |
| FR (1) | FR2136296A5 (online.php) |
-
1972
- 1972-03-09 ES ES400593A patent/ES400593A1/es not_active Expired
- 1972-04-10 FR FR7212496A patent/FR2136296A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES400593A1 (es) | 1975-01-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |