JPH0219172U - - Google Patents
Info
- Publication number
- JPH0219172U JPH0219172U JP9871788U JP9871788U JPH0219172U JP H0219172 U JPH0219172 U JP H0219172U JP 9871788 U JP9871788 U JP 9871788U JP 9871788 U JP9871788 U JP 9871788U JP H0219172 U JPH0219172 U JP H0219172U
- Authority
- JP
- Japan
- Prior art keywords
- book
- instruction
- correct answers
- study book
- study
- 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.)
- Pending
Links
Landscapes
- Electrically Operated Instructional Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9871788U JPH0219172U (cs) | 1988-07-25 | 1988-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9871788U JPH0219172U (cs) | 1988-07-25 | 1988-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0219172U true JPH0219172U (cs) | 1990-02-08 |
Family
ID=31325230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9871788U Pending JPH0219172U (cs) | 1988-07-25 | 1988-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0219172U (cs) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004198820A (ja) * | 2002-12-19 | 2004-07-15 | Benetsuse Corp:Kk | 学習用教材 |
| JP2014112781A (ja) * | 2012-12-05 | 2014-06-19 | Kyoiku Dojinsha:Kk | 画像投影装置 |
-
1988
- 1988-07-25 JP JP9871788U patent/JPH0219172U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004198820A (ja) * | 2002-12-19 | 2004-07-15 | Benetsuse Corp:Kk | 学習用教材 |
| JP2014112781A (ja) * | 2012-12-05 | 2014-06-19 | Kyoiku Dojinsha:Kk | 画像投影装置 |
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