Number | Name | Date | Kind |
---|---|---|---|
2553398 | Atwell | May 1951 | |
2583611 | Sullivan | Jan 1952 | |
2616914 | Riblett | Nov 1952 | |
4042614 | Vannice et al. | Aug 1977 |
Entry |
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Shultz et al., Bureau of Mines Report of Investigations, No. 6974, (1967) Noble Metals, Molybdenum & Tungsten in Hyd Synthesis. |