JPS4957705A - - Google Patents
Info
- Publication number
- JPS4957705A JPS4957705A JP9800772A JP9800772A JPS4957705A JP S4957705 A JPS4957705 A JP S4957705A JP 9800772 A JP9800772 A JP 9800772A JP 9800772 A JP9800772 A JP 9800772A JP S4957705 A JPS4957705 A JP S4957705A
- 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
- Exchange Systems With Centralized Control (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9800772A JPS5220081B2 (xx) | 1972-10-02 | 1972-10-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9800772A JPS5220081B2 (xx) | 1972-10-02 | 1972-10-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4957705A true JPS4957705A (xx) | 1974-06-05 |
| JPS5220081B2 JPS5220081B2 (xx) | 1977-06-01 |
Family
ID=14207657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9800772A Expired JPS5220081B2 (xx) | 1972-10-02 | 1972-10-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5220081B2 (xx) |
-
1972
- 1972-10-02 JP JP9800772A patent/JPS5220081B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5220081B2 (xx) | 1977-06-01 |