JPS4953705A - - Google Patents
Info
- Publication number
- JPS4953705A JPS4953705A JP9749972A JP9749972A JPS4953705A JP S4953705 A JPS4953705 A JP S4953705A JP 9749972 A JP9749972 A JP 9749972A JP 9749972 A JP9749972 A JP 9749972A JP S4953705 A JPS4953705 A JP S4953705A
- 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9749972A JPS5330284B2 (en:Method) | 1972-09-28 | 1972-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9749972A JPS5330284B2 (en:Method) | 1972-09-28 | 1972-09-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4953705A true JPS4953705A (en:Method) | 1974-05-24 |
| JPS5330284B2 JPS5330284B2 (en:Method) | 1978-08-25 |
Family
ID=14193943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9749972A Expired JPS5330284B2 (en:Method) | 1972-09-28 | 1972-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5330284B2 (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5673953A (en) * | 1979-11-22 | 1981-06-19 | Iwatsu Electric Co Ltd | Extension callout system in button telephone device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57170269U (en:Method) * | 1981-04-22 | 1982-10-26 |
-
1972
- 1972-09-28 JP JP9749972A patent/JPS5330284B2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5673953A (en) * | 1979-11-22 | 1981-06-19 | Iwatsu Electric Co Ltd | Extension callout system in button telephone device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5330284B2 (en:Method) | 1978-08-25 |