FR754334A - - Google Patents
Info
- Publication number
- FR754334A FR754334A FR754334DA FR754334A FR 754334 A FR754334 A FR 754334A FR 754334D A FR754334D A FR 754334DA FR 754334 A FR754334 A FR 754334A
- 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
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Keying Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1058532A GB394105A (en) | 1932-04-13 | 1932-04-13 | Improvements in or relating to automatic or semi-automatic telephone systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR754334A true FR754334A (xx) | 1933-11-03 |
Family
ID=9970538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR754334D Expired FR754334A (xx) | 1932-04-13 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR754334A (xx) |
| GB (1) | GB394105A (xx) |
-
0
- FR FR754334D patent/FR754334A/fr not_active Expired
-
1932
- 1932-04-13 GB GB1058532A patent/GB394105A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB394105A (en) | 1933-06-22 |