Number | Name | Date | Kind |
---|---|---|---|
3206414 | Gunther | Sep 1965 | |
3370914 | Gross et al. | Feb 1968 | |
3565574 | Rearby et al. | Feb 1971 |
Number | Date | Country |
---|---|---|
49-99984 | Sep 1974 | JPX |
1354677 | May 1974 | GBX |
Entry |
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Klimisch et al; The Catalytic Chem. of Nitrogen Oxides; Plenum Press; N.Y.; 1975, pp. 119-127 & 252-259. |