BE430270A - - Google Patents
Info
- Publication number
- BE430270A BE430270A BE430270DA BE430270A BE 430270 A BE430270 A BE 430270A BE 430270D A BE430270D A BE 430270DA BE 430270 A BE430270 A BE 430270A
- 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)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2563937A GB502800A (en) | 1937-09-21 | 1937-09-21 | Improvements in power supply arrangements suitable for use in telephone systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE430270A true BE430270A (en:Method) |
Family
ID=10230921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE430270D BE430270A (en:Method) | 1937-09-21 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE430270A (en:Method) |
| GB (1) | GB502800A (en:Method) |
-
0
- BE BE430270D patent/BE430270A/xx unknown
-
1937
- 1937-09-21 GB GB2563937A patent/GB502800A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB502800A (en) | 1939-03-21 |