BE414653A - - Google Patents
Info
- Publication number
- BE414653A BE414653A BE414653DA BE414653A BE 414653 A BE414653 A BE 414653A BE 414653D A BE414653D A BE 414653DA BE 414653 A BE414653 A BE 414653A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/001—Two-way communication systems between a limited number of parties
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR815434T | 1936-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE414653A true BE414653A (https=) |
Family
ID=9267247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE414653D BE414653A (https=) | 1936-03-23 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE414653A (https=) |
| FR (2) | FR788456A (https=) |
| GB (1) | GB477967A (https=) |
-
0
- BE BE414653D patent/BE414653A/xx unknown
-
1935
- 1935-04-01 FR FR788456D patent/FR788456A/fr not_active Expired
-
1936
- 1936-03-23 FR FR815434D patent/FR815434A/fr not_active Expired
- 1936-04-01 GB GB9664/36A patent/GB477967A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR788456A (fr) | 1935-10-10 |
| FR815434A (fr) | 1937-07-12 |
| GB477967A (en) | 1938-01-06 |