BE463894A - - Google Patents
Info
- Publication number
- BE463894A BE463894A BE463894DA BE463894A BE 463894 A BE463894 A BE 463894A BE 463894D A BE463894D A BE 463894DA BE 463894 A BE463894 A BE 463894A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M5/00—Manual exchanges
- H04M5/10—Manual exchanges using separate plug for each subscriber
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH255841T | 1945-02-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE463894A true BE463894A (en:Method) |
Family
ID=4471358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE463894D BE463894A (en:Method) | 1945-02-17 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE463894A (en:Method) |
| CH (1) | CH255841A (en:Method) |
-
0
- BE BE463894D patent/BE463894A/xx unknown
-
1945
- 1945-02-17 CH CH255841D patent/CH255841A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH255841A (de) | 1948-07-15 |