JPS522509Y2 - - Google Patents
Info
- Publication number
- JPS522509Y2 JPS522509Y2 JP1707772U JP1707772U JPS522509Y2 JP S522509 Y2 JPS522509 Y2 JP S522509Y2 JP 1707772 U JP1707772 U JP 1707772U JP 1707772 U JP1707772 U JP 1707772U JP S522509 Y2 JPS522509 Y2 JP S522509Y2
- 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
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1707772U JPS522509Y2 (https=) | 1972-02-10 | 1972-02-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1707772U JPS522509Y2 (https=) | 1972-02-10 | 1972-02-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4893040U JPS4893040U (https=) | 1973-11-07 |
| JPS522509Y2 true JPS522509Y2 (https=) | 1977-01-20 |
Family
ID=27867822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1707772U Expired JPS522509Y2 (https=) | 1972-02-10 | 1972-02-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS522509Y2 (https=) |
-
1972
- 1972-02-10 JP JP1707772U patent/JPS522509Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4893040U (https=) | 1973-11-07 |