Number | Date | Country | Kind |
---|---|---|---|
8224999 | Sep 1982 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
3790723 | Stewart | Feb 1974 | |
4214311 | Nakashima et al. | Jul 1980 | |
4342089 | Hall | Jul 1982 | |
4404636 | Campbell, Jr. et al. | Sep 1983 | |
4408282 | Hof | Oct 1983 |
Entry |
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Bell, D. J., "A Computer Based, Four Terminal Impedance Measuring System for Low Frequencies", Journal of Physics E, Jan. 1975, vol. 8, No. 1, pp. 66-70. |