JPS61165563U - - Google Patents
Info
- Publication number
- JPS61165563U JPS61165563U JP4731585U JP4731585U JPS61165563U JP S61165563 U JPS61165563 U JP S61165563U JP 4731585 U JP4731585 U JP 4731585U JP 4731585 U JP4731585 U JP 4731585U JP S61165563 U JPS61165563 U JP S61165563U
- Authority
- JP
- Japan
- Prior art keywords
- unit
- student
- push button
- button switch
- understanding
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Electrically Operated Instructional Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4731585U JPS61165563U (fr) | 1985-03-30 | 1985-03-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4731585U JPS61165563U (fr) | 1985-03-30 | 1985-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61165563U true JPS61165563U (fr) | 1986-10-14 |
Family
ID=30562526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4731585U Pending JPS61165563U (fr) | 1985-03-30 | 1985-03-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61165563U (fr) |
-
1985
- 1985-03-30 JP JP4731585U patent/JPS61165563U/ja active Pending
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