Number | Name | Date | Kind |
---|---|---|---|
3505828 | Vander Molen et al. | Apr 1970 | |
3523182 | Phillips et al. | Aug 1970 | |
3624455 | Hillman | Nov 1971 | |
3777240 | Neill | Dec 1973 | |
3979739 | Birchall | Sep 1976 | |
4005316 | Tomlinson | Jan 1977 | |
4034570 | Anderson et al. | Jul 1977 | |
4112703 | Kountz | Sep 1978 | |
4187093 | Boratgis et al. | Feb 1980 |
Entry |
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Toshiba Review, 4/1979, No. 120, Okada. |