CH313881A - Telecommunication exchange - Google Patents
Telecommunication exchangeInfo
- Publication number
- CH313881A CH313881A CH313881DA CH313881A CH 313881 A CH313881 A CH 313881A CH 313881D A CH313881D A CH 313881DA CH 313881 A CH313881 A CH 313881A
- Authority
- CH
- Switzerland
- Prior art keywords
- telecommunication exchange
- telecommunication
- exchange
- Prior art date
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)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL313881X | 1948-06-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH313881A true CH313881A (en) | 1956-05-15 |
Family
ID=19783733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH313881D CH313881A (en) | 1948-06-17 | 1949-06-17 | Telecommunication exchange |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH313881A (en) |
FR (1) | FR988324A (en) |
GB (1) | GB686165A (en) |
NL (2) | NL141041B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4325717A (en) * | 1981-03-30 | 1982-04-20 | Continental Conveyor & Equipment Co. | Seal protector for air filtering apparatus |
-
0
- NL NL75440D patent/NL75440C/xx active
- NL NL696910172A patent/NL141041B/en unknown
-
1949
- 1949-04-08 GB GB9591/49A patent/GB686165A/en not_active Expired
- 1949-06-15 FR FR988324D patent/FR988324A/en not_active Expired
- 1949-06-17 CH CH313881D patent/CH313881A/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB686165A (en) | 1953-01-21 |
NL141041B (en) | |
NL75440C (en) | |
FR988324A (en) | 1951-08-27 |
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