JPS4829931B1 - - Google Patents
Info
- Publication number
- JPS4829931B1 JPS4829931B1 JP9960269A JP9960269A JPS4829931B1 JP S4829931 B1 JPS4829931 B1 JP S4829931B1 JP 9960269 A JP9960269 A JP 9960269A JP 9960269 A JP9960269 A JP 9960269A JP S4829931 B1 JPS4829931 B1 JP S4829931B1
- 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
- Emergency Alarm Devices (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Traffic Control Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9960269A JPS4829931B1 (2) | 1969-12-09 | 1969-12-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9960269A JPS4829931B1 (2) | 1969-12-09 | 1969-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4829931B1 true JPS4829931B1 (2) | 1973-09-14 |
Family
ID=14251625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9960269A Pending JPS4829931B1 (2) | 1969-12-09 | 1969-12-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4829931B1 (2) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5268330U (2) * | 1975-11-15 | 1977-05-20 |
-
1969
- 1969-12-09 JP JP9960269A patent/JPS4829931B1/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5268330U (2) * | 1975-11-15 | 1977-05-20 |