JPS4887508A - - Google Patents
Info
- Publication number
- JPS4887508A JPS4887508A JP1979872A JP1979872A JPS4887508A JP S4887508 A JPS4887508 A JP S4887508A JP 1979872 A JP1979872 A JP 1979872A JP 1979872 A JP1979872 A JP 1979872A JP S4887508 A JPS4887508 A JP S4887508A
- 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
- Electric Propulsion And Braking For Vehicles (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979872A JPS4887508A (en:Method) | 1972-02-26 | 1972-02-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979872A JPS4887508A (en:Method) | 1972-02-26 | 1972-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4887508A true JPS4887508A (en:Method) | 1973-11-17 |
Family
ID=12009351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1979872A Pending JPS4887508A (en:Method) | 1972-02-26 | 1972-02-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4887508A (en:Method) |
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1972
- 1972-02-26 JP JP1979872A patent/JPS4887508A/ja active Pending