Number | Date | Country | Kind |
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9403211 | Feb 1994 | GBX |
This application is a continuation-in-part of the application of the same inventors, titled "Semiconducting Oxide Gas Sensors and Materials Therefor", filed Feb. 17, 1995, under application Ser. No. 08/387,794, abandoned.
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4454494 | Williams et al. | Jun 1984 | |
4458233 | Komine et al. | Jul 1984 |
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Number | Date | Country | |
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Parent | 387794 | Feb 1995 |