BE374583A - - Google Patents
Info
- Publication number
- BE374583A BE374583A BE374583DA BE374583A BE 374583 A BE374583 A BE 374583A BE 374583D A BE374583D A BE 374583DA BE 374583 A BE374583 A BE 374583A
- 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
- H04L12/02—Details
- H04L12/04—Switchboards
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3385529A GB343009A (en) | 1929-11-06 | 1929-11-06 | Improvements in or relating to exchange systems for interconnecting telegraph apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE374583A true BE374583A (fr) |
Family
ID=10358317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE374583D BE374583A (fr) | 1929-11-06 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE374583A (fr) |
| FR (1) | FR705747A (fr) |
| GB (1) | GB343009A (fr) |
-
0
- BE BE374583D patent/BE374583A/xx unknown
-
1929
- 1929-11-06 GB GB3385529A patent/GB343009A/en not_active Expired
-
1930
- 1930-10-29 FR FR705747D patent/FR705747A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB343009A (en) | 1931-02-06 |
| FR705747A (fr) | 1931-06-11 |