BE430279A - - Google Patents
Info
- Publication number
- BE430279A BE430279A BE430279DA BE430279A BE 430279 A BE430279 A BE 430279A BE 430279D A BE430279D A BE 430279DA BE 430279 A BE430279 A BE 430279A
- Authority
- BE
- Belgium
- Prior art keywords
- operator
- selectors
- relay
- telephone system
- circuit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Exchange Systems With Centralized Control (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE430279A true BE430279A (OSRAM) |
Family
ID=90302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE430279D BE430279A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE430279A (OSRAM) |
-
0
- BE BE430279D patent/BE430279A/fr unknown
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