BE469922A - - Google Patents
Info
- Publication number
- BE469922A BE469922A BE469922DA BE469922A BE 469922 A BE469922 A BE 469922A BE 469922D A BE469922D A BE 469922DA BE 469922 A BE469922 A BE 469922A
- Authority
- BE
- Belgium
- Prior art keywords
- relay
- circuit
- telephone system
- subscriber
- telephone
- 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)
- Telephonic Communication Services (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE469922A true BE469922A (cs) |
Family
ID=120233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE469922D BE469922A (cs) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE469922A (cs) |
-
0
- BE BE469922D patent/BE469922A/fr unknown
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