NL30173C - - Google Patents
Info
- Publication number
- NL30173C NL30173C NL30173DA NL30173C NL 30173 C NL30173 C NL 30173C NL 30173D A NL30173D A NL 30173DA NL 30173 C NL30173 C NL 30173C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1723524X | 1927-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL30173C true NL30173C (xx) |
Family
ID=11434533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL30173D NL30173C (xx) | 1927-01-31 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1723524A (xx) |
| GB (1) | GB283971A (xx) |
| NL (1) | NL30173C (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL63840C (xx) * | 1945-09-03 | |||
| BE489925A (xx) * | 1948-07-02 | |||
| NL75989C (xx) * | 1949-01-17 | |||
| US3156779A (en) * | 1960-11-25 | 1964-11-10 | Automatic Elect Lab | Line finding arrangement |
-
0
- NL NL30173D patent/NL30173C/xx active
-
1928
- 1928-01-20 GB GB1959/28A patent/GB283971A/en not_active Expired
- 1928-01-30 US US250586A patent/US1723524A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB283971A (en) | 1929-07-22 |
| US1723524A (en) | 1929-08-06 |