FR615718A - - Google Patents
Info
- Publication number
- FR615718A FR615718A FR615718DA FR615718A FR 615718 A FR615718 A FR 615718A FR 615718D A FR615718D A FR 615718DA FR 615718 A FR615718 A FR 615718A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1205525A GB263596A (en) | 1925-07-08 | 1925-07-08 | Improvements in automatic telephone systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR615718A true FR615718A (cs) | 1927-01-14 |
Family
ID=9997599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR615718D Expired FR615718A (cs) | 1925-07-08 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR615718A (cs) |
| GB (1) | GB263596A (cs) |
-
0
- FR FR615718D patent/FR615718A/fr not_active Expired
-
1925
- 1925-07-08 GB GB1205525A patent/GB263596A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB263596A (en) | 1927-01-10 |