JPH01142977U - - Google Patents
Info
- Publication number
- JPH01142977U JPH01142977U JP3813988U JP3813988U JPH01142977U JP H01142977 U JPH01142977 U JP H01142977U JP 3813988 U JP3813988 U JP 3813988U JP 3813988 U JP3813988 U JP 3813988U JP H01142977 U JPH01142977 U JP H01142977U
- Authority
- JP
- Japan
- Prior art keywords
- utility
- textbook
- functions
- science
- japanese
- 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
- 230000006870 function Effects 0.000 claims description 2
Landscapes
- Electrically Operated Instructional Devices (AREA)
- Calculators And Similar Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3813988U JPH01142977U (enExample) | 1988-03-23 | 1988-03-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3813988U JPH01142977U (enExample) | 1988-03-23 | 1988-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01142977U true JPH01142977U (enExample) | 1989-09-29 |
Family
ID=31264707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3813988U Pending JPH01142977U (enExample) | 1988-03-23 | 1988-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01142977U (enExample) |
-
1988
- 1988-03-23 JP JP3813988U patent/JPH01142977U/ja active Pending
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