BE440573A - - Google Patents
Info
- Publication number
- BE440573A BE440573A BE440573DA BE440573A BE 440573 A BE440573 A BE 440573A BE 440573D A BE440573D A BE 440573DA BE 440573 A BE440573 A BE 440573A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB269348X | 1939-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE440573A true BE440573A (https=) |
Family
ID=10251520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE440573D BE440573A (https=) | 1939-06-30 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE440573A (https=) |
| CH (1) | CH269348A (https=) |
| FR (1) | FR867121A (https=) |
| GB (1) | GB534210A (https=) |
-
0
- BE BE440573D patent/BE440573A/xx unknown
-
1939
- 1939-06-30 GB GB19116/39A patent/GB534210A/en not_active Expired
-
1940
- 1940-09-12 FR FR867121D patent/FR867121A/fr not_active Expired
-
1947
- 1947-09-25 CH CH269348D patent/CH269348A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR867121A (fr) | 1941-10-01 |
| GB534210A (en) | 1941-03-03 |
| CH269348A (de) | 1950-06-30 |