JPS553760B2 - - Google Patents
Info
- Publication number
- JPS553760B2 JPS553760B2 JP4051072A JP4051072A JPS553760B2 JP S553760 B2 JPS553760 B2 JP S553760B2 JP 4051072 A JP4051072 A JP 4051072A JP 4051072 A JP4051072 A JP 4051072A JP S553760 B2 JPS553760 B2 JP S553760B2
- 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.)
- Expired
Links
Landscapes
- Traffic Control Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4051072A JPS553760B2 (en:Method) | 1972-04-20 | 1972-04-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4051072A JPS553760B2 (en:Method) | 1972-04-20 | 1972-04-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS493598A JPS493598A (en:Method) | 1974-01-12 |
| JPS553760B2 true JPS553760B2 (en:Method) | 1980-01-26 |
Family
ID=12582528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4051072A Expired JPS553760B2 (en:Method) | 1972-04-20 | 1972-04-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS553760B2 (en:Method) |
-
1972
- 1972-04-20 JP JP4051072A patent/JPS553760B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS493598A (en:Method) | 1974-01-12 |