JPH0248852Y2 - - Google Patents
Info
- Publication number
- JPH0248852Y2 JPH0248852Y2 JP19599786U JP19599786U JPH0248852Y2 JP H0248852 Y2 JPH0248852 Y2 JP H0248852Y2 JP 19599786 U JP19599786 U JP 19599786U JP 19599786 U JP19599786 U JP 19599786U JP H0248852 Y2 JPH0248852 Y2 JP H0248852Y2
- Authority
- JP
- Japan
- Prior art keywords
- transparent plate
- hint
- colored transparent
- answer
- card
- 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.)
- Expired
Links
- 239000003086 colorant Substances 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 description 5
- 239000000976 ink Substances 0.000 description 5
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 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 (enrdf_load_stackoverflow) | 1986-12-20 | 1986-12-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19599786U JPH0248852Y2 (enrdf_load_stackoverflow) | 1986-12-20 | 1986-12-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63100775U JPS63100775U (enrdf_load_stackoverflow) | 1988-06-30 |
JPH0248852Y2 true JPH0248852Y2 (enrdf_load_stackoverflow) | 1990-12-21 |
Family
ID=31154402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19599786U Expired JPH0248852Y2 (enrdf_load_stackoverflow) | 1986-12-20 | 1986-12-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0248852Y2 (enrdf_load_stackoverflow) |
-
1986
- 1986-12-20 JP JP19599786U patent/JPH0248852Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS63100775U (enrdf_load_stackoverflow) | 1988-06-30 |
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