JPS6389166U - - Google Patents
Info
- Publication number
- JPS6389166U JPS6389166U JP18110586U JP18110586U JPS6389166U JP S6389166 U JPS6389166 U JP S6389166U JP 18110586 U JP18110586 U JP 18110586U JP 18110586 U JP18110586 U JP 18110586U JP S6389166 U JPS6389166 U JP S6389166U
- Authority
- JP
- Japan
- Prior art keywords
- numbers
- length
- board
- subtraction
- addition
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Electrically Operated Instructional Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18110586U JPH0248921Y2 (cs) | 1986-11-27 | 1986-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18110586U JPH0248921Y2 (cs) | 1986-11-27 | 1986-11-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6389166U true JPS6389166U (cs) | 1988-06-10 |
| JPH0248921Y2 JPH0248921Y2 (cs) | 1990-12-21 |
Family
ID=31125672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18110586U Expired JPH0248921Y2 (cs) | 1986-11-27 | 1986-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0248921Y2 (cs) |
-
1986
- 1986-11-27 JP JP18110586U patent/JPH0248921Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0248921Y2 (cs) | 1990-12-21 |
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