Number | Date | Country | Kind |
---|---|---|---|
52-34641 | Aug 1977 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
D218994 | Suganoya | Oct 1970 | |
D233154 | Saito | Oct 1974 | |
D247198 | Ohie | Feb 1978 |
Entry |
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Office Products, Jul. 1975, pp. 22-23-Sharp Cartridge Calculator. |
Office Products, Mar. 1976, p. 70-Olympia Calculator at center. |