JPS4979499A - - Google Patents
Info
- Publication number
- JPS4979499A JPS4979499A JP12290272A JP12290272A JPS4979499A JP S4979499 A JPS4979499 A JP S4979499A JP 12290272 A JP12290272 A JP 12290272A JP 12290272 A JP12290272 A JP 12290272A JP S4979499 A JPS4979499 A JP S4979499A
- 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
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Traffic Control Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12290272A JPS4979499A (ja) | 1972-12-05 | 1972-12-05 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12290272A JPS4979499A (ja) | 1972-12-05 | 1972-12-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4979499A true JPS4979499A (ja) | 1974-07-31 |
Family
ID=14847431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12290272A Pending JPS4979499A (ja) | 1972-12-05 | 1972-12-05 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS4979499A (ja) |
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1972
- 1972-12-05 JP JP12290272A patent/JPS4979499A/ja active Pending