Number | Date | Country | Kind |
---|---|---|---|
60-235943 | Oct 1985 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3080760 | Piersma | Mar 1963 | |
3690833 | Ferrari | Sep 1972 | |
3830256 | Cox | Aug 1974 | |
3886971 | Lundsgaard | Jun 1975 | |
3997297 | Jenkins et al. | Dec 1976 | |
4498496 | Barcellona et al. | Feb 1985 |
Entry |
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Electronic Sequencing for Multiport Valves Electronic Engineering (GB), vol. 49, No. 589, p. 21, Mar. 1977. |