BE384614A - - Google Patents
Info
- Publication number
- BE384614A BE384614A BE384614DA BE384614A BE 384614 A BE384614 A BE 384614A BE 384614D A BE384614D A BE 384614DA BE 384614 A BE384614 A BE 384614A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/08—Indicating faults in circuits or apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR724229T | 1930-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE384614A true BE384614A (en:Method) |
Family
ID=9107862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE384614D BE384614A (en:Method) | 1930-12-19 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE384614A (en:Method) |
| FR (1) | FR724229A (en:Method) |
-
0
- BE BE384614D patent/BE384614A/xx unknown
-
1930
- 1930-12-19 FR FR724229D patent/FR724229A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR724229A (fr) | 1932-04-23 |