BE351681A - - Google Patents
Info
- Publication number
- BE351681A BE351681A BE351681DA BE351681A BE 351681 A BE351681 A BE 351681A BE 351681D A BE351681D A BE 351681DA BE 351681 A BE351681 A BE 351681A
- Authority
- BE
- Belgium
- Prior art keywords
- relay
- supervisor
- connector
- circuit
- conductor
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE351681A true BE351681A (en]) |
Family
ID=26579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE351681D BE351681A (en]) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE351681A (en]) |
-
0
- BE BE351681D patent/BE351681A/fr unknown
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