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Patent:JP4096084
| Patent: | JP 4096084 |
| Title: | Voice Generation Device For Abacus Calculation Problem |
| Date: | 27.03.1992 |
| Place: | |
| Country: | Japan |
| Person: | Wakaguwa Akio |
| Company: | Kuraray Co Ltd |
| Internal Links: | Kugelrechner |
| Keywords: | |
| Link to the patent office: (without guarantee) |  JP4096084 |
Aus der Patentschrift JP4096084
- Patent Family: ( Patent:JP2521568B2, Patent:JP4096084 )