JPS5310871B2 - - Google Patents
Info
- Publication number
- JPS5310871B2 JPS5310871B2 JP2848972A JP2848972A JPS5310871B2 JP S5310871 B2 JPS5310871 B2 JP S5310871B2 JP 2848972 A JP2848972 A JP 2848972A JP 2848972 A JP2848972 A JP 2848972A JP S5310871 B2 JPS5310871 B2 JP S5310871B2
- 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
- Traffic Control Systems (AREA)
- Near-Field Transmission Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2848972A JPS5310871B2 (en:Method) | 1972-03-23 | 1972-03-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2848972A JPS5310871B2 (en:Method) | 1972-03-23 | 1972-03-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4897205A JPS4897205A (en:Method) | 1973-12-11 |
| JPS5310871B2 true JPS5310871B2 (en:Method) | 1978-04-17 |
Family
ID=12250064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2848972A Expired JPS5310871B2 (en:Method) | 1972-03-23 | 1972-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5310871B2 (en:Method) |
-
1972
- 1972-03-23 JP JP2848972A patent/JPS5310871B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4897205A (en:Method) | 1973-12-11 |