BE419139A - - Google Patents
Info
- Publication number
- BE419139A BE419139A BE419139DA BE419139A BE 419139 A BE419139 A BE 419139A BE 419139D A BE419139D A BE 419139DA BE 419139 A BE419139 A BE 419139A
- 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)
- Interface Circuits In Exchanges (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE471406X | 1935-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE419139A true BE419139A (ja�@�@) |
Family
ID=6541265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE419139D BE419139A (ja�@�@) | 1935-12-23 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE419139A (ja�@�@) |
| FR (1) | FR816364A (ja�@�@) |
| GB (2) | GB471406A (ja�@�@) |
| NL (1) | NL52399C (ja�@�@) |
-
0
- BE BE419139D patent/BE419139A/xx unknown
- NL NL52399D patent/NL52399C/xx active
-
1936
- 1936-12-23 FR FR816364D patent/FR816364A/fr not_active Expired
- 1936-12-23 GB GB35298/36A patent/GB471406A/en not_active Expired
-
1937
- 1937-04-19 GB GB11124/37A patent/GB485327A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB471406A (en) | 1937-09-03 |
| GB485327A (en) | 1938-05-18 |
| NL52399C (ja�@�@) | |
| FR816364A (fr) | 1937-08-06 |