JPS4880431U - - Google Patents
Info
- Publication number
- JPS4880431U JPS4880431U JP38072U JP38072U JPS4880431U JP S4880431 U JPS4880431 U JP S4880431U JP 38072 U JP38072 U JP 38072U JP 38072 U JP38072 U JP 38072U JP S4880431 U JPS4880431 U JP S4880431U
- Authority
- JP
- Japan
- 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
- Calculators And Similar Devices (AREA)
- Input From Keyboards Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP38072U JPS4880431U (cs) | 1971-12-29 | 1971-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP38072U JPS4880431U (cs) | 1971-12-29 | 1971-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4880431U true JPS4880431U (cs) | 1973-10-02 |
Family
ID=39146063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP38072U Pending JPS4880431U (cs) | 1971-12-29 | 1971-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4880431U (cs) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB931038A (en) * | 1958-11-28 | 1963-07-10 | Josef Haid | Typewriter key markers to teach touch typing |
-
1971
- 1971-12-29 JP JP38072U patent/JPS4880431U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB931038A (en) * | 1958-11-28 | 1963-07-10 | Josef Haid | Typewriter key markers to teach touch typing |