JPS5221762B2 - - Google Patents
Info
- Publication number
- JPS5221762B2 JPS5221762B2 JP4114572A JP4114572A JPS5221762B2 JP S5221762 B2 JPS5221762 B2 JP S5221762B2 JP 4114572 A JP4114572 A JP 4114572A JP 4114572 A JP4114572 A JP 4114572A JP S5221762 B2 JPS5221762 B2 JP S5221762B2
- 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
- Train Traffic Observation, Control, And Security (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4114572A JPS5221762B2 (en:Method) | 1972-04-24 | 1972-04-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4114572A JPS5221762B2 (en:Method) | 1972-04-24 | 1972-04-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS492207A JPS492207A (en:Method) | 1974-01-10 |
| JPS5221762B2 true JPS5221762B2 (en:Method) | 1977-06-13 |
Family
ID=12600235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4114572A Expired JPS5221762B2 (en:Method) | 1972-04-24 | 1972-04-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5221762B2 (en:Method) |
-
1972
- 1972-04-24 JP JP4114572A patent/JPS5221762B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS492207A (en:Method) | 1974-01-10 |