JPS626756U - - Google Patents
Info
- Publication number
- JPS626756U JPS626756U JP9766285U JP9766285U JPS626756U JP S626756 U JPS626756 U JP S626756U JP 9766285 U JP9766285 U JP 9766285U JP 9766285 U JP9766285 U JP 9766285U JP S626756 U JPS626756 U JP S626756U
- Authority
- JP
- Japan
- Prior art keywords
- memorization
- protective cover
- ring
- cards
- built
- 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
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 239000012780 transparent material Substances 0.000 claims 1
Landscapes
- Electrically Operated Instructional Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9766285U JPS626756U (en, 2012) | 1985-06-28 | 1985-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9766285U JPS626756U (en, 2012) | 1985-06-28 | 1985-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS626756U true JPS626756U (en, 2012) | 1987-01-16 |
Family
ID=30964844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9766285U Pending JPS626756U (en, 2012) | 1985-06-28 | 1985-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS626756U (en, 2012) |
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1985
- 1985-06-28 JP JP9766285U patent/JPS626756U/ja active Pending