Number | Date | Country | Kind |
---|---|---|---|
58-57812 | Apr 1983 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4165535 | Mortelmans et al. | Aug 1979 |
Number | Date | Country |
---|---|---|
0058188 | May 1981 | JPX |
0016435 | May 1982 | JPX |
Entry |
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IEEE Transactions on Magnetics-vol. Mag-13, No. 5, Sep. 1977, pp. 1376-1378. |