BE529059A - - Google Patents
Info
- Publication number
- BE529059A BE529059A BE529059DA BE529059A BE 529059 A BE529059 A BE 529059A BE 529059D A BE529059D A BE 529059DA BE 529059 A BE529059 A BE 529059A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
- H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1101375X | 1953-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE529059A true BE529059A (fr) |
Family
ID=4557503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE529059D BE529059A (fr) | 1953-05-28 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE529059A (fr) |
| CH (1) | CH313686A (fr) |
| FR (1) | FR1101375A (fr) |
-
0
- BE BE529059D patent/BE529059A/xx unknown
-
1953
- 1953-05-28 CH CH313686D patent/CH313686A/de unknown
-
1954
- 1954-05-26 FR FR1101375D patent/FR1101375A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH313686A (de) | 1956-04-30 |
| FR1101375A (fr) | 1955-10-05 |