JPS5312401B2 - - Google Patents
Info
- Publication number
- JPS5312401B2 JPS5312401B2 JP4124573A JP4124573A JPS5312401B2 JP S5312401 B2 JPS5312401 B2 JP S5312401B2 JP 4124573 A JP4124573 A JP 4124573A JP 4124573 A JP4124573 A JP 4124573A JP S5312401 B2 JPS5312401 B2 JP S5312401B2
- 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.)
- Expired
Links
Landscapes
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4124573A JPS5312401B2 (ja) | 1973-04-13 | 1973-04-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4124573A JPS5312401B2 (ja) | 1973-04-13 | 1973-04-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS49130109A JPS49130109A (ja) | 1974-12-13 |
| JPS5312401B2 true JPS5312401B2 (ja) | 1978-05-01 |
Family
ID=12603040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4124573A Expired JPS5312401B2 (ja) | 1973-04-13 | 1973-04-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5312401B2 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51128204A (en) * | 1975-04-30 | 1976-11-09 | Matsushita Electric Ind Co Ltd | Button telephone device |
| JPS5221713U (ja) * | 1975-07-31 | 1977-02-16 | ||
| JPS5274201A (en) * | 1975-12-17 | 1977-06-22 | Nec Corp | Display control circuit for key telephone system |
-
1973
- 1973-04-13 JP JP4124573A patent/JPS5312401B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS49130109A (ja) | 1974-12-13 |