JPS492412A - - Google Patents
Info
- Publication number
- JPS492412A JPS492412A JP3943972A JP3943972A JPS492412A JP S492412 A JPS492412 A JP S492412A JP 3943972 A JP3943972 A JP 3943972A JP 3943972 A JP3943972 A JP 3943972A JP S492412 A JPS492412 A JP S492412A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Landscapes
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3943972A JPS553859B2 (ru) | 1972-04-19 | 1972-04-19 | |
| US351095A US3902024A (en) | 1972-04-19 | 1973-04-13 | Originating number control system for key telephone systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3943972A JPS553859B2 (ru) | 1972-04-19 | 1972-04-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS492412A true JPS492412A (ru) | 1974-01-10 |
| JPS553859B2 JPS553859B2 (ru) | 1980-01-28 |
Family
ID=12553025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3943972A Expired JPS553859B2 (ru) | 1972-04-19 | 1972-04-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS553859B2 (ru) |
-
1972
- 1972-04-19 JP JP3943972A patent/JPS553859B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS553859B2 (ru) | 1980-01-28 |