JPS63100775U - - Google Patents
Info
- Publication number
- JPS63100775U JPS63100775U JP19599786U JP19599786U JPS63100775U JP S63100775 U JPS63100775 U JP S63100775U JP 19599786 U JP19599786 U JP 19599786U JP 19599786 U JP19599786 U JP 19599786U JP S63100775 U JPS63100775 U JP S63100775U
- Authority
- JP
- Japan
- Prior art keywords
- transparent plate
- colored transparent
- hint
- card
- answer
- Prior art date
- 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.)
- Granted
Links
- 239000003086 colorant Substances 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Electrically Operated Instructional Devices (AREA)
- Credit Cards Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19599786U JPH0248852Y2 (enExample) | 1986-12-20 | 1986-12-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19599786U JPH0248852Y2 (enExample) | 1986-12-20 | 1986-12-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63100775U true JPS63100775U (enExample) | 1988-06-30 |
| JPH0248852Y2 JPH0248852Y2 (enExample) | 1990-12-21 |
Family
ID=31154402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19599786U Expired JPH0248852Y2 (enExample) | 1986-12-20 | 1986-12-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0248852Y2 (enExample) |
-
1986
- 1986-12-20 JP JP19599786U patent/JPH0248852Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0248852Y2 (enExample) | 1990-12-21 |
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