DE190640C - - Google Patents
Info
- Publication number
- DE190640C DE190640C DENDAT190640D DE190640DA DE190640C DE 190640 C DE190640 C DE 190640C DE NDAT190640 D DENDAT190640 D DE NDAT190640D DE 190640D A DE190640D A DE 190640DA DE 190640 C DE190640 C DE 190640C
- Authority
- DE
- Germany
- Prior art keywords
- extension
- final
- relay
- battery
- characters
- Prior art date
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M5/00—Manual exchanges
- H04M5/08—Manual exchanges using connecting means other than cords
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE190640C true DE190640C (en:Method) |
Family
ID=454092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT190640D Active DE190640C (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE190640C (en:Method) |
-
0
- DE DENDAT190640D patent/DE190640C/de active Active
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