JPS4979402A - - Google Patents
Info
- Publication number
- JPS4979402A JPS4979402A JP12114672A JP12114672A JPS4979402A JP S4979402 A JPS4979402 A JP S4979402A JP 12114672 A JP12114672 A JP 12114672A JP 12114672 A JP12114672 A JP 12114672A JP S4979402 A JPS4979402 A JP S4979402A
- 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
- Monitoring And Testing Of Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12114672A JPS5321606B2 (en:Method) | 1972-12-05 | 1972-12-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12114672A JPS5321606B2 (en:Method) | 1972-12-05 | 1972-12-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4979402A true JPS4979402A (en:Method) | 1974-07-31 |
| JPS5321606B2 JPS5321606B2 (en:Method) | 1978-07-04 |
Family
ID=14803982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12114672A Expired JPS5321606B2 (en:Method) | 1972-12-05 | 1972-12-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5321606B2 (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0360257A (ja) * | 1989-07-28 | 1991-03-15 | Hitachi Ltd | 共通線信号監視方式 |
-
1972
- 1972-12-05 JP JP12114672A patent/JPS5321606B2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0360257A (ja) * | 1989-07-28 | 1991-03-15 | Hitachi Ltd | 共通線信号監視方式 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5321606B2 (en:Method) | 1978-07-04 |