JPS4977505A - - Google Patents
Info
- Publication number
- JPS4977505A JPS4977505A JP11902172A JP11902172A JPS4977505A JP S4977505 A JPS4977505 A JP S4977505A JP 11902172 A JP11902172 A JP 11902172A JP 11902172 A JP11902172 A JP 11902172A JP S4977505 A JPS4977505 A JP S4977505A
- 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.)
- Pending
Links
Landscapes
- Exchange Systems With Centralized Control (AREA)
- Devices For Supply Of Signal Current (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11902172A JPS4977505A (fr) | 1972-11-29 | 1972-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11902172A JPS4977505A (fr) | 1972-11-29 | 1972-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4977505A true JPS4977505A (fr) | 1974-07-26 |
Family
ID=14751008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11902172A Pending JPS4977505A (fr) | 1972-11-29 | 1972-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4977505A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5161706A (ja) * | 1974-11-27 | 1976-05-28 | Hitachi Ltd | Noborichukeikaisenniokeruchukeikyokuno wachuontensohoshiki |
-
1972
- 1972-11-29 JP JP11902172A patent/JPS4977505A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5161706A (ja) * | 1974-11-27 | 1976-05-28 | Hitachi Ltd | Noborichukeikaisenniokeruchukeikyokuno wachuontensohoshiki |