JPH0330123U - - Google Patents
Info
- Publication number
- JPH0330123U JPH0330123U JP4658189U JP4658189U JPH0330123U JP H0330123 U JPH0330123 U JP H0330123U JP 4658189 U JP4658189 U JP 4658189U JP 4658189 U JP4658189 U JP 4658189U JP H0330123 U JPH0330123 U JP H0330123U
- Authority
- JP
- Japan
- Prior art keywords
- subtraction
- multiplication
- division
- addition
- soroban
- 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
- Drawing Aids And Blackboards (AREA)
- Instructional Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4658189U JPH0330123U (en]) | 1989-04-19 | 1989-04-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4658189U JPH0330123U (en]) | 1989-04-19 | 1989-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0330123U true JPH0330123U (en]) | 1991-03-25 |
Family
ID=31561786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4658189U Pending JPH0330123U (en]) | 1989-04-19 | 1989-04-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0330123U (en]) |
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1989
- 1989-04-19 JP JP4658189U patent/JPH0330123U/ja active Pending