JPS4917903A - - Google Patents
Info
- Publication number
- JPS4917903A JPS4917903A JP47056032A JP5603272A JPS4917903A JP S4917903 A JPS4917903 A JP S4917903A JP 47056032 A JP47056032 A JP 47056032A JP 5603272 A JP5603272 A JP 5603272A JP S4917903 A JPS4917903 A JP S4917903A
- 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
- Mobile Radio Communication Systems (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Traffic Control Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47056032A JPS4917903A (it) | 1972-06-07 | 1972-06-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47056032A JPS4917903A (it) | 1972-06-07 | 1972-06-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4917903A true JPS4917903A (it) | 1974-02-16 |
Family
ID=13015720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47056032A Pending JPS4917903A (it) | 1972-06-07 | 1972-06-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4917903A (it) |
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1972
- 1972-06-07 JP JP47056032A patent/JPS4917903A/ja active Pending