JPH0377978U - - Google Patents
Info
- Publication number
- JPH0377978U JPH0377978U JP13914389U JP13914389U JPH0377978U JP H0377978 U JPH0377978 U JP H0377978U JP 13914389 U JP13914389 U JP 13914389U JP 13914389 U JP13914389 U JP 13914389U JP H0377978 U JPH0377978 U JP H0377978U
- Authority
- JP
- Japan
- Prior art keywords
- straight line
- scale
- teaching tool
- magnet
- band
- 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
- 239000000758 substrate Substances 0.000 claims description 3
- 229920005992 thermoplastic resin Polymers 0.000 claims 1
Landscapes
- Instructional Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13914389U JPH0377978U (en]) | 1989-11-30 | 1989-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13914389U JPH0377978U (en]) | 1989-11-30 | 1989-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0377978U true JPH0377978U (en]) | 1991-08-06 |
Family
ID=31686203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13914389U Pending JPH0377978U (en]) | 1989-11-30 | 1989-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0377978U (en]) |
-
1989
- 1989-11-30 JP JP13914389U patent/JPH0377978U/ja active Pending