JPS57180363U - - Google Patents
Info
- Publication number
- JPS57180363U JPS57180363U JP6649781U JP6649781U JPS57180363U JP S57180363 U JPS57180363 U JP S57180363U JP 6649781 U JP6649781 U JP 6649781U JP 6649781 U JP6649781 U JP 6649781U JP S57180363 U JPS57180363 U JP S57180363U
- 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
- Instructional Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6649781U JPS57180363U (ko) | 1981-05-08 | 1981-05-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6649781U JPS57180363U (ko) | 1981-05-08 | 1981-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57180363U true JPS57180363U (ko) | 1982-11-16 |
Family
ID=29862538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6649781U Pending JPS57180363U (ko) | 1981-05-08 | 1981-05-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57180363U (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101221535B1 (ko) * | 2012-09-26 | 2013-01-10 | 반미령 | 보는 위치에 따라 달라지는 도형 이해용 학습교구 |
-
1981
- 1981-05-08 JP JP6649781U patent/JPS57180363U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101221535B1 (ko) * | 2012-09-26 | 2013-01-10 | 반미령 | 보는 위치에 따라 달라지는 도형 이해용 학습교구 |