JPS4920448Y1 - - Google Patents
Info
- Publication number
- JPS4920448Y1 JPS4920448Y1 JP317570U JP317570U JPS4920448Y1 JP S4920448 Y1 JPS4920448 Y1 JP S4920448Y1 JP 317570 U JP317570 U JP 317570U JP 317570 U JP317570 U JP 317570U JP S4920448 Y1 JPS4920448 Y1 JP S4920448Y1
- 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 |
|---|---|---|---|
| JP317570U JPS4920448Y1 (2) | 1970-01-08 | 1970-01-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP317570U JPS4920448Y1 (2) | 1970-01-08 | 1970-01-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4920448Y1 true JPS4920448Y1 (2) | 1974-05-31 |
Family
ID=33188494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP317570U Expired JPS4920448Y1 (2) | 1970-01-08 | 1970-01-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4920448Y1 (2) |
-
1970
- 1970-01-08 JP JP317570U patent/JPS4920448Y1/ja not_active Expired