FR837517A - - Google Patents
Info
- Publication number
- FR837517A FR837517A FR837517DA FR837517A FR 837517 A FR837517 A FR 837517A FR 837517D A FR837517D A FR 837517DA FR 837517 A FR837517 A FR 837517A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE204648X | 1937-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR837517A true FR837517A (de) | 1939-02-13 |
Family
ID=5782982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR837517D Expired FR837517A (de) | 1937-05-07 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH204648A (de) |
| FR (1) | FR837517A (de) |
| GB (1) | GB494498A (de) |
| NL (1) | NL52069C (de) |
-
0
- FR FR837517D patent/FR837517A/fr not_active Expired
- NL NL52069D patent/NL52069C/xx active
-
1938
- 1938-04-02 CH CH204648D patent/CH204648A/de unknown
- 1938-04-29 GB GB12882/38A patent/GB494498A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL52069C (de) | |
| CH204648A (de) | 1939-05-15 |
| GB494498A (en) | 1938-10-26 |