SE218727C1 - - Google Patents
Info
- Publication number
- SE218727C1 SE218727C1 SE290760A SE290760A SE218727C1 SE 218727 C1 SE218727 C1 SE 218727C1 SE 290760 A SE290760 A SE 290760A SE 290760 A SE290760 A SE 290760A SE 218727 C1 SE218727 C1 SE 218727C1
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/44—Additional connecting arrangements for providing access to frequently-wanted subscribers, e.g. abbreviated dialling
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE290760A SE218727C1 (pm) | 1960-03-23 | 1960-03-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE290760A SE218727C1 (pm) | 1960-03-23 | 1960-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE218727C1 true SE218727C1 (pm) | 1968-02-13 |
Family
ID=95397209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE290760A SE218727C1 (pm) | 1960-03-23 | 1960-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| SE (1) | SE218727C1 (pm) |
-
1960
- 1960-03-23 SE SE290760A patent/SE218727C1/sl unknown