Number | Date | Country | Kind |
---|---|---|---|
50-38926 | Mar 1975 | JA | |
50-62647 | May 1975 | JA |
Number | Name | Date | Kind |
---|---|---|---|
3616274 | Eddy | Oct 1971 | |
3768259 | Carnahan et al. | Oct 1973 | |
3841987 | Friese et al. | Oct 1974 | |
3900012 | Wahl et al. | Aug 1975 | |
3909385 | Speilberg et al. | Sep 1975 | |
3940327 | Wagner et al. | Feb 1976 | |
3960693 | Weyl et al. | Jun 1976 |
Entry |
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Felming et al., "Sensor for On-Vehicle Detection of Exhaust Gas Composition" May, 1973, by Society of Automotive Engineers Inc. |