Number | Date | Country | Kind |
---|---|---|---|
59-89420 | May 1984 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4376988 | Ludwig et al. | Mar 1983 |
Number | Date | Country |
---|---|---|
59-40394 | Mar 1984 | JPX |
Entry |
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M. Taniguchi et al., "M5K 4164S A Refresh Function Incorporated Therein", Denshi Gijutsu, vol. 23, No. 3, pp. 30-33 (publication date not available). |