BE521452A - - Google Patents
Info
- Publication number
- BE521452A BE521452A BE521452DA BE521452A BE 521452 A BE521452 A BE 521452A BE 521452D A BE521452D A BE 521452DA BE 521452 A BE521452 A BE 521452A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1081289X | 1952-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE521452A true BE521452A (ro) |
Family
ID=20419740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE521452D BE521452A (ro) | 1952-07-14 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE521452A (ro) |
| FR (1) | FR1081289A (ro) |
-
0
- BE BE521452D patent/BE521452A/xx unknown
-
1953
- 1953-07-13 FR FR1081289D patent/FR1081289A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1081289A (fr) | 1954-12-17 |