JPS4912509A - - Google Patents
Info
- Publication number
- JPS4912509A JPS4912509A JP4963872A JP4963872A JPS4912509A JP S4912509 A JPS4912509 A JP S4912509A JP 4963872 A JP4963872 A JP 4963872A JP 4963872 A JP4963872 A JP 4963872A JP S4912509 A JPS4912509 A JP S4912509A
- 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 |
|---|---|---|---|
| JP4963872A JPS4912509A (zh) | 1972-05-19 | 1972-05-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4963872A JPS4912509A (zh) | 1972-05-19 | 1972-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4912509A true JPS4912509A (zh) | 1974-02-04 |
Family
ID=12836741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4963872A Pending JPS4912509A (zh) | 1972-05-19 | 1972-05-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4912509A (zh) |
-
1972
- 1972-05-19 JP JP4963872A patent/JPS4912509A/ja active Pending