BE419981A - - Google Patents
Info
- Publication number
- BE419981A BE419981A BE419981DA BE419981A BE 419981 A BE419981 A BE 419981A BE 419981D A BE419981D A BE 419981DA BE 419981 A BE419981 A BE 419981A
- 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)
- Data Exchanges In Wide-Area Networks (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE495561X | 1936-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE419981A true BE419981A (it) |
Family
ID=6544912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE419981D BE419981A (it) | 1936-02-14 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2167509A (it) |
| BE (1) | BE419981A (it) |
| FR (1) | FR817756A (it) |
| GB (1) | GB495561A (it) |
| NL (1) | NL50853C (it) |
-
0
- NL NL50853D patent/NL50853C/xx active
- BE BE419981D patent/BE419981A/xx unknown
-
1937
- 1937-02-11 FR FR817756D patent/FR817756A/fr not_active Expired
- 1937-02-12 US US125445A patent/US2167509A/en not_active Expired - Lifetime
- 1937-02-12 GB GB4305/37A patent/GB495561A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB495561A (en) | 1938-11-14 |
| FR817756A (fr) | 1937-09-10 |
| NL50853C (it) | |
| US2167509A (en) | 1939-07-25 |