NL58220C - - Google Patents
Info
- Publication number
- NL58220C NL58220C NL58220DA NL58220C NL 58220 C NL58220 C NL 58220C NL 58220D A NL58220D A NL 58220DA NL 58220 C NL58220 C NL 58220C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB398643A GB563666A (en) | 1943-03-11 | 1943-03-11 | Improvements in or relating to automatic or semi-automatic telephone or like exchange systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL58220C true NL58220C (https=) |
Family
ID=9768638
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL55949D NL55949C (https=) | 1943-03-11 | ||
| NL58220D NL58220C (https=) | 1943-03-11 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL55949D NL55949C (https=) | 1943-03-11 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB563666A (https=) |
| NL (2) | NL58220C (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2454809A (en) * | 1941-06-10 | 1948-11-30 | Int Standard Electric Corp | Telephone system utilizing register controlled final selector switches |
-
0
- NL NL55949D patent/NL55949C/xx active
- NL NL58220D patent/NL58220C/xx active
-
1943
- 1943-03-11 GB GB398643A patent/GB563666A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2454809A (en) * | 1941-06-10 | 1948-11-30 | Int Standard Electric Corp | Telephone system utilizing register controlled final selector switches |
Also Published As
| Publication number | Publication date |
|---|---|
| GB563666A (en) | 1944-08-24 |
| NL55949C (https=) |